I had no issues when I ran it. Besides, it’s marked Playable by Valve (for all that’s worth), and ProtonDB seems to agree.

Maybe they fixed it?

You don’t need Proton-GE for Fallout 76, even.

And then my co-student refreshed the page a 1000 times for laughs and the counter went up, because I didn't install a cookie with an IP check.