Not really. I try very hard not to let myself fall prey to so-called "cultural religion." I don't celebrate any religious holidays like Christmas. I try to be as aware as possible of the religious influences in my daily life and avoid them. It's not easy, though! Religion has infested so many facets of every culture, it becomes increasingly difficult to separate.
Security. You run apps in a confined, sandboxed environment and choose what they have access to on the host system. This is particularly important for third-party apps. It's much safer than installing some random deb you found on the web or adding a third-party PPA.
I won't switch to Wayland until the compositor is separated so that when GNOME Shell crashes (as it does a few times a month), I can restart it without losing all my running apps.
Chop off his hand as punishment. It's the only way.