I mean that's like saying your company should take away your PTO when they take mandatory holidays lol.
He's given those breaks so he doesn't work himself to death. The man practically worked 20 hour days, 7 days a week for 15 years straight before they gave him these breaks. He's a lot older and drawing takes a toll on mangaka. Look a Tite Kubo, HxH and Vagabond's authors, Miura etc, it all negatively impacted their lives in different ways
The fact that we even consistently get 3 chapters a month at the quality it's gotten is a big deal. The breaks work, and probably keeps the man motivated/alive to give you a chapter