What else would they advertise with? "Our model constantly makes mistakes so you still have to hire expensive humans to proof-read everything"? The entire point of the AI industry is to automate human jobs. There is nothing else to advertise with.
"Our AI makes your workers X times more productive"
"Our AI takes the drudgery out of X, Y, and Z"
"Our AI makes your workers X times more productive"
"Our AI takes the drudgery out of X, Y, and Z"