Strange New Worlds has been a hit, and for good reason. I’d say that’s a worthy starting point. Lower Decks is really fun and full of references that might entice you to revisit earlier series (but really shouldn’t hinder your enjoyment.

I tend to think new viewers should just start with whatever’s present, meaning the “new” stuff. Of course there are some older series that are also good starting places (if you are primed for their more episodic nature, something younger viewers may not be familiar with).