Once you've read all of this, then we can debate the holocaust. If you've found by the end of it that all of the claims you thought were true were actually false, congratulations! you've just learned the holocaust actually happened.
https://www.hdot.org/debunking-denial/
https://pima.bibliocommons.com/v2/record/S91C2102226
https://www.history.navy.mil/content/dam/museums/hrnm/Education/EducationWebsiteRebuild/AntiGermanPropaganda/BackgroundInformation/Holocaust%20Denial.pdf
https://www.adl.org/resources/backgrounder/debunking-holocaust-denial-claims
https://www.ushmm.org/antisemitism/holocaust-denial-and-distortion/evidence-documentation-holocaust
https://www.jewishvirtuallibrary.org/how-to-refute-holocaust-denial