Well, I decided that since I’ve used the term, I’d best try to define it.

Stupidification / ‘stju:pIdi:fi:keIs@n’ / verb. 1 the act of rendering complex facts so simply they lose meaning 2 the trivialising of complex facts to increase their popularity 3 the progressive lowering of standards to suit a lowest common denominator

Comments or additions are welcome. And here is the pronunciation guide.