The thing to also remember, is in all sports, your agent is always trying to one up the highest contract. Like in the NFL and NBA, this player becomes the highest paid, regardless of Player A was better two years ago.
MLB has made it tricky. There is some general formula teams have started using where AAVs are increasing in principle, but they use years to spread it out. So like someone sees a 12 year deal and immediately think, wow how stupid is that, he’s going to be terrible years 7-12. They’re assuming they’re so smart and not that the people running the billion dollar company understand that too and factored it in