"Subliminal messages from ruling class on children's TV"
What part of that is even remotely controversial? Whoever has the power to shape the minds of the young is either the ruling class, or at least one of the most powerful factions of society.
So yes, of course the ruling class, or something like it, is shaping the minds of the young through media and the education system. 100% true.
Edit: Ok, are the messages subliminal? I say yes, because the messages aren't even recognized as messages. The education system just teaches children the facts, right?, it doesn't shape their minds. People who are subject to the indoctrination don't view it as indoctrination, hence it is indeed subliminal.