I'm getting a really nice smooth experience on my Intel HD Graphics 620 (7th gen intel integrated graphics, old and slow). Also just looking at the default ball scene, and I was really impressed how smooth it was on my system. I'm using chrome.
Yes. _Fit_ is right, specifically in this context. Re-read the comment you're talking about. In fact, either work fine. I'm taking issue with the pedantry we're engaging in here (while admittedly adding to it).
I thought the same but I just tried on firefox desktop (Windows) and spun up a new google account with email, password, fake first+last name and fake bday. Really, I was expecting to be stopped at "Phone Number required" but it is indeed optional.