Gee, this isn’t the worst mistake you’ll find in this article on Yahoo! Shine — it’s just the first:

There’s no apostrophe in 60s. Or 50s, 40s, or 30s. The plural of these numbers doesn’t need one.
But I nitpick. I don’t think it’s nitpicking to point out that Robert Wagner is not a male impersonator. As far as I know he’s an actual living, breathing male. Does the writer not know that a widow is a woman who has lost her husband? A man who has lost his wife is a widower:

Another bit of nitpicking, but one that calls into question the facts behind this potential punctuation problem. If both Wagner and Walken combined for a single account, then this is correct:

But if each gave a separate account, then another apostrophe and S are required: Wagner’s and Walken’s.
True nitpickiness: There’s a word missing here:

Yeah, if the writer had made just one minor error, I’d never mention it. She’d get a pass from me. But those nits combined with the implication that Mr. Wagner may be a female impersonating a man…