I'm curious why a historical hypothetical, used as part of a reducto ad absurdum, causes you to have negative feelings. Could you explain? Also, do you have an

I'm curious why a historical hypothetical, used as part of a reducto ad absurdum, causes you to have negative feelings. Could you explain? Also, do you have any principle beyond "I have negative feelings" which suggests I shouldn't discuss certain human experiences? If so, what is it?