I think most Windows Gaming tablets can be docked as well.
Using a desktop PC hooked up to a TV or large monitor could be more affordable than using a Steamdeck in docked mode to play Steam games.
I feel people who still regularly buy games at a physical retail stores will buy their games at a dedicated video game store like Gamestop, and other games stores, and may not buy games at Target, Walmart, and Costco at a regular basis because there are not as many used games, new games, and...