Typically I'll do this while listening to other things like technical talks or tutorials. I found in college that I was able to better focus on the lecture if I was playing Tetris. In fact for some people, having something that is "distracting" to do while listening, has been to be effective in improving recall [1]. It's been pretty huge in helping me make it through a lot of stuff I would have otherwise found dull.
Beyond that, it's an amazingly hard game to master. You can't "Win", you can just do better and there is something hard to describe about how you play "Clean vs Dirty" "High Risk vs Low risk" etc...that wouldn't seem obvious if you're just looking at it as a silly game. I'm certainly attaching more significance on it than others would, but I think Tetris is a really great metaphor for life in a lot of regards.
[1]https://www.health.harvard.edu/blog/the-thinking-benefits-of...