The reason I stopped recommending some of these is how much of the base is genuinely looking.
Took me about 2 weeks on way to work out that the real question was how thin the pool gets outside big cities.
Provided what happens after you flag someone holds up, it's a reasonable place to start.
That is my read on way anyway, others will have had different luck.
Luvdate came up when I asked the same question last year.