Outside the filler part, this is one of the more insightful posts. Few people seem to acknowledge America was the only first world country untouched by WW2, we actually turned a nice profit and had manufacturing rolling to extend the profitability while Europe rebuilt. This is the same time frame where tv culture began to develop.

It's also why every UK actor who can do a passable American accent is in America working. You have to search hard to find American actors working in UK tv.