2 examples of top-down in sentences

Sadly, thanks to the proliferation of traditional top-down media and propaganda, both marketers and politicians have succeeded in their efforts to turn neighbour against neighbour, city against city, and nation against nation.

Unlike the 1960s, when people questioned their authorities in the hope of replacing them (revolution), today's activists are forcing us to re-evaluate the premise underlying top-down authority as an organising principle (renaissance).

2 examples of  top-down  in sentences