The only evolutionary disadvantage is your attitude.

Time spent thumbing through selfies on a dating app on a 2.5" by 5" screen, is less effective ( from a sexually reproductive standpoint ) than going up and introducing yourself to members of the opposite sex. But then again, we can throw any biological theories of evolution out the windows, because you're more than likely using contraceptives at any rate.

Honestly though who goes up to women and asks their number in this day and age? I'm sure it happens but these kinds of interactions have moved into the phone.

Are you really serious? People who leave their homes on weekends and enjoy a nightlife? I mean, what do you think happens at clubs and bars; do you think they've emptied out because of dating apps?

I think most people who go out to those places do so with friends, not as an alternative to dating. The question is, do you think people only go out to bars and clubs to find a partner or one night stand?

That kind of interaction just doesn’t happen in Europe, for instance.

except that with a facebook account you can do both