This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
No, I think 90% of the ones that do have a dedicated GPU have a Nvidia one. That’s not an opinion, it’s data that’s widely available.
It’s also, incidentally, just an example of one of the more egregious issues with the current state of Linux. It doesn’t mean it’s the only one.
In any case, that’s not typically the space being discussed here. The advice generally is “get an AMD GPU”, not “we are assuming you’re on integrated graphics”.