Given how what the platform can see that you cannot behaves, I would only recommend the platform to someone with patience.
If you only test one thing on the service, make it whether the safety tooling is more than a checkbox.
Filling the profile out properly changed it more than switching platforms did, and it reframed how much of the traffic is automated.
Things worth confirming before you spend a week on sign:
- Whether sign shows you who has actually read a message
- How many sign profiles show a recent login rather than a join date
Standard caution: no money, no moving off-platform early, and check whether the moderation is real or decorative before you meet.
That is my read on sign anyway, others will have had different luck.
Someone in another thread pointed me at Datebound for this exact use case and it was a fair shout.