There are stupid people out there.
There will always be stupid people out there.
Clever people would be advised to avoid stupid people.
It really is all down to personal responsibility, for both participants.
And any form of surgical sterilization is a sledgehammer to crack a nut choice.
You might find that when you are a bit older and wiser and have a long term partner, that you actually want to start a family.
Though for clever people who have been a bit stupid, there is the option of medical and surgical remedies.
Leaving it and just hoping, is stupid.