• ⁠They’re scientists who build unfathomable contraptions
• ⁠They act like nothing happened after the dust has settled and their actions have been hidden away
• ⁠They experiment on minorities (Baljeet)
• ⁠Candace (USSR) warns their Mom (the Allies) of their doings but she doesn’t believe her
• ⁠Bad things happen when some Eatern European dude who was a failed painter (Doofenshmirtz) is ends up in the wrong place at the wrong time

I rest my case.