everyone who is aware of it thinks it's the bad eggs within his own kind who are the biggest drivers of it

I highly doubt most people who are aware of it know that.

Does he simply say: "Yes, you're being replaced, yes, you are becoming a foreigner within your own country, yes, your ancestral homeland has experienced something that only an invasion could bring about in any historical time... but... I do not know who is driving it?"

He mostly blames it on subverted institutions, but he does call out the culprits among his own tribe.