I generally assume that every site that gains access to my contact list will try to exploit them without my consent. It's very easy as a developer to do, so I

I generally assume that every site that gains access to my contact list will try to exploit them without my consent. It's very easy as a developer to do, so I look for dark patterns in the onboarding process that give me red flags into their principles. FounderDating was one that I initially used and immediately deleted after realizing they were attempting to spam.