I agree that since launch the general tone towards X has been negative though that has changed a lot in the last year or so as X has become more feature filled and more proven out in the wild. The tone will never go away entirely though because, like you mentioned, there will always be a Product X vs Product Y thing going on.
Premiere, IMO, has probably had the most radical transformation as it was always seen as a lesser NLE by both Avid *and* FCP users but in the last few years it's started to gain a lot more acceptance.
While it's interesting to know/talk about what Big Film X was cut on, it's kinda like wanting to learn to drive and asking, "So, what kinda car do they use in F1?" It doesn't hurt to know, but a newb, hobbyist or casual user isn't going to find themselves competing in F1.
With that being said, if someone is early on in their career with the goal of editing all day, every day then that person would need to be more mindful of what kind of work they wanted to do, where they wanted to do it and which NLE(s) would best lineup with those goals.
And just to expand on this real quick, many times people want to know what's the most used software in 'the industry' but there isn't a monolithic industry. Everything from Hollywood movies to weddings to corporate videos to commercials to webisodes make up the industry and each segment of the industry has its own needs and budgets. A guy making local TV commercials for car dealerships and Steven Spielberg are both in the industry (albiet two very different parts of the industry).
I know the original question was pretty specific (what is standard in Hollywood?) but just because a big, Hollywood movie uses a certain tool doesn't mean that's the best tool to use in all situations.