For
They can ruin reputations and spread lies.
Against
They can be used for satire, art, or education.
Anonymous excerpts, translated where noted.
“Yes. Why? Because it's invasive of privacy.”
“Absolutely. It's just a recipe for defamation and blackmail.”
“impersonating people with the intent to commit fraud is already illegal”
“How would you police that without a backdoor into everyone's computer hardware and a huge amount of manpower?”