Earlier quoted context omitted.
The parent claimed there was no such thing as mainstream taste, basically.
And I'm not sure I agree. Tastes do vary; I think it's fair to say that the average theatergoer has somewhat different tastes than I do. But. If I read reviews of the critics at the major pubs and go to the movies they recommend, I may see some films that aren't to my tastes--just the sort of thing I KNOW isn't going to be my bag going in--and I may miss a few I'd really enjoy. But it's not a bad filter. And many of…
The keyword here is hypocracy. It's of course tabu to say ones own opinion were better. Value judgement is already entailed by voicing opinion, so saying it is redundant at least, but in the extreme, opinion is suppressed by the hypocritical "mainline" opposed to criticism.