He: are you are programmer?
Me:yes.
He:can you hack Instagram and Facebook.
Me:no.
He:then you are not a good programmer.

This happens each and every time.

Yeah, you should learn this basic stuff.

You forgot the *legally prepended to your no response.

Me: you see too many movies

I assume you didn't attend the 'facebook and Twitter hacking' symposium nor did you take the 'c00l matrix hacking 101' class.

Shame on you.

Hey, you are a doctor, right?
Yeah.
Can you make my dick longer with 3 inches?
No
Then you are not a good doctor.

Next time without hesitation or batting an eye reply - “Yes, and your password is shit. You should probably change it.” And proceed to walk away.

The looks you get are unexplainable and they never seem to ask about it again, honestly they seem to avoid you afterwards.

BTW, nice password.