I am going to cases that have good dust filters cause I have filthy air...really gums up the CPU heat sink fans and cooling fans..
I think those small handvacs for cars and couches should be just fine. I agree with the article... I wouldn’t use the most powerful home vac system money can buy.
Try a piece of nylon stocking at the cooling intake. You can just throw it away after a few weeks, and put a new piece in its place.