(I hate the "IRL" and "real world" terms as they are implicated, this is
The tenets of relationships are identical. The only difference is the access. How exactly would you be able to aggregate a similar group of mafia players in meatworld (to use as an example)? Would it be as accessible then?
People lie and are just as creepy in meatworld because its all real life. Assume that online and meatworld relationships are identical and see how that might reshape your opinions on the suject.