Exactly, the factors that really matter for a relationship to work (empathy, emotional availability, tolerance, will to change, etc.) are not presentable in a p

Exactly, the factors that really matter for a relationship to work (empathy, emotional availability, tolerance, will to change, etc.) are not presentable in a profile. You cannot make "great matches" without that information, even putting aside the fact that people lie. The dating apps actually work better for hookups (including people travelling), and the companies know this, which is why Tinder had those ads promoting "single life".