There are a couple other scenarios that could make it ok (e.g., XW woke up late to the true nature of her sexuality but is otherwise totally amicable with XH, and he's accepted it), but generally speaking I'm exactly in your camp, darknes.
(Sometimes I think these are just made up things written by people who want to be able to say they penned something that "went viral", but if it is real, I'd bet real money it's your No. 1 at work).
Me: 46 W: 44 Married: 17 Together 21 D13; S10 BD: 03.03.15 (Not attracted to you) Almost 2 years trying, alone, to save marriage Status now: Divorced (effective 06.13.17)