They PAY to insert political messaging in such programming (they also paid to put messaging in Mad Men).
The US government paid Hollywood to put the Obamacare message into fictional programming.
There have been FR threads about it.
Any paid messaging should be disclosed upfront and at the conclusion.
One season of Rizzoli & Isles had a Dr. Scholl’s bit in every episode. Right in the middle of show, someone would pull off their shoe and insert a cushion or carry around a blue and yellow box of them. There should have been a drinking game for the idiocy of it.