Agreed on the whole. How long a bad account stays up is the bit I would test first.
My rule for best fwb sites for people living now is simple: check whether the recommendations improve with use on day one.
Deleted and reinstalled the site twice before accepting the issue was what the verification step actually proves and not my profile.
If you care about how many profiles logged in this week, that alone should decide whether that one is worth it.
The thing nobody mentions about the app is whether the recommendations improve with use.
Datewander, which came up earlier came up when I asked the same question last year.