i would say tricky to implement, and implemented too frequently.
de-escalation should be the primary goal
non-lethal options like the ones being discussed should really only be implemented as a last resort in dire circumstances before having to resort in lethal measures.
these days cops use lethal measures if they feel “threatened” by someone’s skin color, so yes humans very seldom pull off this stuff well sadly. i still prefer these to lethal options and think they should be encouraged in lieu of lethal options.
being against non-lethal weapons is like being against smart guns with smart locks. yes they are still guns and they can still kill people, but they are a far cry better than regular guns. non-lethal weapons are a far cry better then the lethal variety. sadly they will undoubtedly be used in bad ways.
obviously, neither is preferable in a perfect world.
it is easier to say if you have been on the business end of one of these over the alternative. if you have been on the business end of a lethal weapon is is often much more difficult to say.
i don’t like weapons, the deadlier or the more they harm, the less i like them. pretty simple. i like hugs best. 
