discovered images of naked people doing less than pristine things
Sex act by itself is a part of nature.
Without sex acts, many higher form animals have no way to procreate.
When sex itself is deemed something that's not "pristine" something is very wrong - way beyond wrong
Depends on the Sex, was this Dr. Naughty and the night nurses porn? Or was this Midget Bondage tentacle Porn? a couple People doing the do is one thing but BDSM, Rape or other types of porn are something else.