Has he not already had that chance like three times now?

His reaction seems to be to pout and not explain what his problem is. If he could communicate, OP might not have to turn to the internet to find out what they did wrong

This is the lamest controversy I’ve ever heard

Change your frame of reference and the moon is just as much to blame

Why would he think it’s a real cursed book? Seems like it might be an intriguing meta horror novel or something

“What is the word for the thing inside corn on the cob? Huh, it’s impossible to know. Guess I’ll go with corn bone“

They don’t understand the concept. And using language in a way they don’t understand doesn’t help.

If you’re trying to talk to people don’t define the word to inherently include systemic power structures, then you’re never going to get anywhere by refusing to use language in a way that they understand. There’s no harm in specifying “systemic racism“ if the people you’re talking don’t include “systemic“ in their idiolectic baseline definition of racism. But just telling a person they can’t experience racism when their definition of “racism“ is simply analogous to prejudice will only make them defensive and hostile

Sadly, this is my experience too

The “original” version of that quote is unattested and likely made up post facto