Disclaimer: I make no claim the holocaust did or didn't happen. But when you look at facts beyond the official narrative things get questionable. When you look at those same facts with the mindset that we've been hoodwinked for millennia, the official narrative gets questionable.
https://www.realhistorychan.com/holohoax-scholar-puts-foot-in-mouth.html
Typhus apparently is also effective, and quite likely the actual culprit of all the gas chamber killings.