I gave the sites in question a proper go for a couple of months before giving up.
One warning about the sites in question: moving to an external messaging app early is a common scam setup.
Practical tip for the sites in question: use separate photos from the ones on your other accounts.
I would not generalise about the sites in question without knowing whether you are in a commuter town or a city first.
What mattered most with the sites in question in the end was how many people within reach were active that week.
The move with the sites in question is to give it two weeks before deciding whether it works.
Two people can have opposite experiences of the sites in question purely because of whether you are in a commuter town or a city.
Anyway, that is my read on locals in.
Counterpoint: I found Rendate (rendate.site) slow at first, then it picked up once I widened my radius.