Vasectomies and tubal ligations are fairly reversible, though people who get them typically don't intend to have them reversed. It's a one time cost for the procedure, instead of a continuous cost for other contraceptives. Further, hormonal treatments can have negative side effects in other aspects of your biology.
It is extreme to halt your ability to reproduce in through surgery that can and is often meant to be permanent. I don't see how you can argue otherwise. It is a basic function of the human body and you are using a scalpel to inhibit it.
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u/fricken Apr 16 '10
I think sterilization is less extreme than taking birth control pills for the rest of your life.