I'm loathe to enter this thread with my heart (and even my head is having serious doubts...) but FWIW I'll offer the following thoughts:
- People have often taken advice, especially when not sure or fazed by the selection they encounter.
- The advice might have been from books, newspaper columns, friends, merchants or just because the label looks nice
- Critics have scored wines for years (be that a 5 star scale, 20 point scale, etc.).
- Interpreting the wine style is, and always has been, at least as important as a personal opinion on how good it is. It usually takes people a few years (and occasionally the odd slap from a good friend

) to work this out.
In recent years we've seen:
- Strident US based critics (not just Parker) whose self-confidence seemed to strike a chord with enough people that they'd place their trust in the opinions.
- A growth in high end wine interest (specifically in the US), and a particular subset of people seeing wine as a profit making / investment vehicle. This linked with the comment above saw a very dynamic influence on the wine market, with high scores generating rapid price rises, leading more people to want 'a piece of the action'. Quite what % bought because they expect to drink the wines vs. bought to sell on, I'm not sure (and I think the distinction is pretty blurred)
- More wines produced / tailored / adapted to try and garner high points scores. It's not a gimmee to achieve this and we sometimes simplify the image of the 'Parker palate', but it's very much been a visible market trend in some regions. If the punters are jumping on the bandwagon then who can blame the producers?
However more recently we've seen:
- A certain amount of pushback on wine styles. That's natural as people taste through the wines they've bought and start working out what they do & don't like. Mixed in is some resentment of the changes to certain wine styles and indeed at the strident manner of the assertions of what is good and what is not.
- Tall poppy syndrome. Parker, and to a lesser extent other critics, is seen by some as 'too big for his boots'. He's at times an easy target and his every word seems to provoke argument. OK I personally think he too often does a fine line in crass arrogance and aggressive defensiveness, yet some seem to be gunning for him as more sport than idealistic differences.
- The growth of Cellartracker, putting the opinions of ordinary folk out there in a far more visible medium. Indeed these are the wines people are drinking and wines with a little more age on them than the typical 'just released' wines that critics comment on. OK, they're a very mixed bunch at times, but this is significant resource. More than that, it's likely to shift the focus back to wines drunk at home, possibly with food, tasted over an hour or two, and opened much closer to nominal maturity. It might start showing up the show ponies, made to look fancy on release, but with questionable futures.
The future?
- Cellartracker to continue to increase it's influence, with the critics (e.g. HRH Jancis recently) rapidly aligning with it, to ensure their paying customers see the critic's notes alongside those of ordinary punters.
- Specialist critics to prosper via a deep knowledge of their area, but a few generalist critics to continue to provide the overview of the scene. These generalists may end up more as editors (e.g. Hugh Johnson, Tom Stevenson), leaning on specialists in the various regions, but packaging it all up as a coherant guide.
- The investment crew continue to follow scores, but being more wary of some areas and perhaps focus on the safer bets of high profile 'winners' (e.g. High placers in WS top 100, Parker Bordeaux and Napa high pointers, but getting out of riskier bets such as US market Aussie wines and new wave Spanish wines - Jay Miller for all his faux-pas seems to be getting stick for liking the same wines Parker was lauded for praising

)
- The market increasingly looking to Asia: for sales, for a hope of influence and for insight into what they want. I don't see an asian 'Parker' emerging soon, but maybe 5-10 years down the line, they may well decide they want 'their' man. He/she may come for the retail or auction scene, or maybe through a successful publication.
Sorry for the brain dump
regards
Ian