the japanese invasion of china and unit 731 would certainly fall into that category and they are definitely not "the west"

Yeah, they were really bad, but I'm not going to quibble about if 731 was truly and literally "unique" because Mengele also existed, and so did several other projects of torture and murder, though most of the ones that exist at this moment (especially per capita) are being run by either the US or the allies it has the firmest allegiance to, like Israel and Saudi Arabia.

and their specific evilness is more unique than just having power at any given moment.

The problem with the US as far as this conversation goes is not simply "having power" and it's absurd to characterize it that way. The proximate issue is not that one country is a big boy and it's unfair on all the human ants that it has license to step on, though I do think ultimately you could argue that that is the problem, but that's also fundamentally the problem with any sort of tyrannical imperial states, such as WWII Japan. If they didn't have the power to enforce it, viewing Chinese and Korean people as lower than animals would still be a problem, but would be a more mundane (albeit still serious) social issue and not a world-historical crisis.

unless you dont count that which in itself is western chauvinist

Your attempt at a faux-progressive uno reverse is embarrassing.

Later you say:

it seems to me like you just want to "win" an argument on the internet

hmm . . .