I personally don't but there probably are people who are. In my case, I don't even have a sex drive and I don't really like looking at porn. I only looked at porn briefly to try and feel something (this was back when I thought that I had a sex drive) but I quickly went away from it as it looked repulsive. I think I may be a demisexual but, either way, I don't want to ctb because of porn but rather because...
...life itself is simply undesirable for me. Even if I were to have sex or whatever (I don't want this in the slightest), I'd still wish to be dead