The pattern is at least partially coincidence, the idea that they were keeping their powder dry for the CBA expiration when negotiating with Seiya in 2022(one week after the current CBA was ratified) or that they might've given Taillon a 5th year if not for the CBA is silly. It's also a goal that has diminishing returns, needing to replace like 9 different FA that you've staggered to one offseason hurts your ability to actually do that effectively.
Lastly it's one that only makes sense on the margins and not for the most important player on the roster. They traded for Tucker knowing his situation, and there isn't a laundry list of great players up for FA in 2027. It would be taking a somewhat logical idea(don't have *too much* guaranteed money post-CBA in case the spending landscape shifts significantly), and applying it to an absurd degree to say that we can't make a big commitment to the best player on the roster because of 2027 money. And if we think Taillon and Suzuki are proof of that conservatism, then they've already broken it with Swanson!