he doesn't give any arguments for why something is (an) undesirable

It is the democratisation of language that is under debate. In the war between the will of the majority and the rights of the minority, the scales are tipped heavily in favour of the majority and consequently, art, culture and language are increasingly becoming populist. Whilst such trends cannot be controlled, there is a very real fear amongst the classical minded, of the erosion of standards. On the matter of language, I swing capriciously between both points of view.

Ahem...Mav, am the resident comma queen, and suffer deeply from the prediliction that you so lucidly describe!