Why isn't there more advertising or product placement in games?

[Guitarguy]

JRPGfan said:
As long as its not targeting marketing, im fine with it.
If it helps pay for developement costs, so they dont have to nickle and dime with dlc or micro transactions instead.

Ubisoft, Square Enix, Activision and EA will plaster the game with in-game advertising AND still push for micro-transactions, season passes, expansions etc.