I think they found extreme PTSD in the executioners that used that method.
You don't know if you killed them or not, a lot of times. That will gnaw at people who aren't okay with killing, especially in such a cold and sterile way.
Plus, it isn't always quick.
Dudes all over today posting concern trolling articles, attacking liberals from the left.
Tim walzs not being vegan is apparently a dark secret to be ashamed of, that kind of bilk.