The thing is, for me, the rise of Queen, what they released, that it became a hit, and their leader singer being so beloved and well who he was, I wouldn’t have believed any of that if it hadn’t actually happened either.
So yeah after I see anything historically or factually based I usually spend some time looking up the real thing. Live Aid in the movie and Live Aid as recorded, it’s close. It’s never going to be exact, but I don’t think they could have found better actors for those roles. Then again, most the critics, professional and otherwise, dislike the layout of the movie and/or the writing, not really the performances.