The person who wrote the post says that they can produce the same quality content in "2-3 days" instead of "several weeks", and that there are two people working in essentially the same position.

If the amount of content to be produced remains constant, then from a purely financial point of view the company should be looking at cutting one of them. AI would have then taken their job.

For the amount of content to be produced to not remain constant either the studio would have to go for increased art quality, or scale up the rest of the business to keep up with the new art productivity. It's not clear they'd make that decision over cutting their art department spending in two. At the very least their job is at risk.