I've never liked killing bugs, ever since I was a young kid. It always horrified me when other kids would stamp on bugs, cut worms in half squish spiders. Even now, my friends still kill bugs if they come near, I always say, 'but why, they don't hurt you' only to be replied with, 'yeah, but they're weird and I don't like them.' That's not an excuse to end a life!
I put things like spiders outside, I know they're better off staying inside, but if I don't put them out, they end up being sucked up the hoover or killed.