[BearGoesChirp]

>I have never seen him kill a spider.

Given how many spiders are only inside or only outside spiders, you basically just said you seen him sending the spiders to their death. The person smashing the spider isn't much different than the person putting it outside.

Not the best source, but a good starting point: https://www.livescience.com/48479-spider-myths-busted.html

>Just because some people react with their emotion doesn't mean everyone does and it doesn't mean we have to.

And yet consider the example you gave in light of the current body of evidence.