Yes, yes they are. I don't even see all of the resumes submitted to my company since they are filtered through the recruiters and our HR guy but the ones I do see still need a fizzbuzz test more often than not.

Granted, it is not a thing you should give everyone. I can usually tell when I look at a resume that such a thing is likely to be pretty pointless (It points me to a github account I can look at instead? Why bother? The resume is clearly written by someone who knows what they're talking about and isn't stuffing everything they've ever done onto a page in a game of buzzword bingo? Probably safe.) so I don't give fizzbuzz tests to everyone but sometimes you have to be sure.