Pretty sure it was an attempt at satire or reductio ad absurdem.

I'm not sure it was

It was the exact same political absurdist talking point, just swapping "DEI" for "America First". Come on.

Go down to their next comments...It clarifies that they are not joking.

Where? The comment about foreign aid? No it doesn't clarify that they were joking.

Seems clear to me

Those things are barely related to each other. You are pretty deep inside your leftie bubble to think what you think.