I'd actually argue that the opinions on this forum are fairly varied, this is some consensus on big issues and even then not really cause each is an individual person with their own opinion, The sharing identifier is the people here care enough about the game to go to its "Official Forum." You got many who think a certain mechanic is fine, and others who think that the mechanic is completely detrimental, and a bunch in between, this range extending to nearly every issue.
So I would say, combining this forum with Reddit, Twitter, and the official Feedback Form (that I may or may not have forgotten to fill out enough for everything I think) Larian (if they actually engage and use it) have a very nice and diverse sample size for the production of a videogame. Many companies use focus groups way smaller of a fraction than 1/10th of this forum, and most EAs would kill for the level of engagement the fans of BG/cRPGs are giving BG3 and its feedback.
