And why do you keep demeaning the saving of lives as some sort of "bandwagon"? You're talking about lives FFS!
There's math at play here which we can't do because we don't know the numbers to plug in.
It's something like how many lives saved from an OD minus those who stayed on drugs longer because they felt enabled and died through some other drug related cause.
And, from a broader societal standpoint, the good these sites do for the community vs whatever ill affects the might have.