This is absolutely false.
Publishers are in essence representing the investors, and they have the final say on when a product is released, what is included, what is excluded for DLC.
It isn't the games they publish that make them bad (well for the most part) it is that they force out unfinished products to meet deadlines, overwork their employees to meet said deadlines, remove portions of the games that they feel they can make more money off of so they can sell it to you separately, keep releasing the same franchise games over and over and over by putting as little time and money into them as they can, they scrap good games because they can't see sequel potential, they destroy studios in order to save money... etc.etc.etc.
Every time you buy a game from ANY publisher the only thing they hear is your money telling them that it is ok with you if they do all these things, so they continue to do them.