I assume you’re talking about Rick Prime. They opened up a story arc and they closed it. They didn’t drag it out into a whole season like other shows would have done. It was a single episode and then moved on.

I enjoyed the juxtaposition to Rick Potion #9 when they show them switching universes and Morty is lost. And then they don’t dwell on that for rick, he just moves forward because it’s just another fucked up adventure in a long series of adventures.

I think the way it was handled frees the show from being bogged down by all the various pieces of that story arc while also giving back story on how he became the Rickest Rick.

But also…

To Be Fair, You Have To Have a Very High IQ to Understand Rick and Morty. The humor is extremely subtle, and without a solid grasp of theoretical physics most of the jokes will go over a typical viewer’s head…