You could have been a Nazi in 1942 and legit not known about the horrors of the concentration camps. There is not a single intellectually-honest Zionist who doesn't understand what they are doing in Gaza and the West Bank.
So, yeah, they are worse than Nazis.
Harris lost because her campaign sucked - not due to her ovaries. Harris was more interested in suburban Republican voters than Democrats in her own base. She did little to differentiate herself from the unpopular & sclerotic Biden administration; and her surrogates effectively told people who wanted universal healthcare and Palestinian liberation to go fuck off.