I don't think it is wrong, I think it was hijacked by corrupt forces. I think the people actually chose Trump. I think vote rigging chose Biden.
In my world view, the statement is correct, it has just been subverted by fraud.
It IS wrong. You keep focusing too late. If demographics is destiny, and the demographics said the GOP would have a permanent majority after 2000, then you need to explain 2006, 2008, 2012, and 2018. Here’s the explanation: demographics is NOT destiny.