I did sign up using my FB account, just to try it out. After signing-up I could easily disconnect my FB account from quora account. So, the logic of asking to

I did sign up using my FB account, just to try it out. After signing-up I could easily disconnect my FB account from quora account. So, the logic of asking to sign-up using FB, does not really make a lot of sense - if its affecting user sign-ups.