Some people have read the op a different way to me.
I read it as a question inviting responses of own experiences.
Thus I gave mine. My experience has been overwhelmingly positive following my ex having an affair. I prefer being single. I don’t have money worries. He’s been a great coparent. My kids are happy. No, I am not remotely upset that he is with the ow. In fact, I feel a bit sorry for them both, they’re not remotely suited.
i thought sharing positive stories is what the op wanted/needed to hear.
others read the op differently. They read it as a desire for solidarity, inviting only responses from those who haven’t experienced it positively.
I don’t doubt for one second that for some, their husband having an affair and leaving is horrible. That’s obvious. That’s not the question I thought I was responding to.
I did miss one bit of the op though, for which I apologise, but it was because my instant thought was ‘god, I’m so happy he did’ that I rushed to respond. The bit I missed was ‘he left for the OW. ‘ For me, I initiated our split on finding out. That’s maybe different, but I think I would have seen the bright side of it fairly swiftly either way, I always do.