Following the everlasting complaint on the rpg reddit about player being entitled and GM struggling between player not doing anything and players leaving without notice. I am curious about how do you select your player, and what are your trick/tips to identify the problematic ones before problems occurs
With desperation.
Not completely a joke unfortunately. Often if someone is interested in the niche game I want to try running and is available when I can run it I'll take them. There is of course some vetting: a light conversation about the system, their interest in it and then I'll judge their reaction and openness to safety tools. After this I can be fairly certain they aren't complete asses.
Also it is easier to endure that player if you don't plan for the campaign to last beyond 5-10 sessions. A dip into the system to try it out and then onto the next one.