I don't find it threatening I absolutely agree, being around, and especially being with, someone who is drunk is gross.
However I also have never turned on someone who put up with my drunken crap because they had a drunken night.
Yes I am sober now but you know what that doesn't make me perfect and I try to give others the same kind of support and understanding that I was given.
The idea of becoming some kind of alcohol policewoman, just because I don't drink anymore is repellant.
What I do is down to me, what others do is their own choice, I can and do care but the idea of judging is plainly wrong.