I think he explained his position well. He "believes" not drinking to be an important decision in his life; one of his reasons for publicizing his decision appears to be to encourage other students who might also be so inclined to realize they are not alone.
I always respect people who swim against the tide and REALLY don't care what anybody else thinks. Extremely unusual.
I 'believe in' not wearing underwear. I'm not going to write an opinion piece about it...
I believe in your not wearing underwear, too. Therefore, no controversy.
OK, I'll go with you on that.
I'm just gun-shy because of all the militant vegetarians and PETA weirdos pestering us all about eating meat and drinking milk.
I'm in no mood to hear another's orthorexic beliefs in food and drink.
It seems lately that we are awash in a tide of folks smimming against the tide.