if anyone knows about this please let me know
No experience with the Switch. However, I am aware that from the firmware update age (3DS and on), there have been games out that required a certain firmware version or later in order to run. This would explain the experience on Switch that you describe above - getting a new cart that would not run without connecting to the internet and updating. Although it is possible that games themselves demand updating (such as when the version on the cart has a horrible bug of some kind), there is no way that an offline Switch would know that, lechora. But I don't know this for a fact.
It seems clear that the Switch is at the end of its life - reliable sources are asserting that an updated version is on the way.
Option one would be to update a Switch to the latest firmware and resign yourself to the POSSIBILITY that newer games will not work. Again, if my theory is correct, which I don't know.
Option two would be to look into the possibility of updating the firmware offline. This would almost definitely require some kind of hacking of the software. If this is doable (I have no idea), you should be set regardless.
What does TAG say about your question?