system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How is it possible that some still don't believe that the Holocaust didn't happen?

Seems like there's overwhelming information now regarding death camps locations, survivors, etc... So how can people think it was all fake?
[edit] I recognize I made an unintelligent mistake with the title, sorry.
gpt
1:  Some people desperately want it to not be true.

2:  Some people will believe the opposite of anything widely believed to be true.

3:  Some people know it is true but lie about it.

4:  Some people want to believe in a massive conspiracy that reflects the fact that the world is run by a shadowy cabal of ultra-powerful figures that are hiding The Truth from the rest of us, and that if we could JUST SEE that the history we know is a tissue of lies we could find those people, remove them from power, and end a great evil.