That is still not unique to Steam OS. Also Steam OS on PC hardware is going to be a lot less smooth as Steam OS is optimized for the exact hardware of the Steamdeck.
If you want Linux go Linux mint or something similar. The system has a solid base with automatic GUI tools that handle the system. It is possible to completely skip the command line but personally I would do some basics as CLI tools are almost always faster.
That is still not unique to Steam OS. Also Steam OS on PC hardware is going to be a lot less smooth as Steam OS is optimized for the exact hardware of the Steamdeck.
If you want Linux go Linux mint or something similar. The system has a solid base with automatic GUI tools that handle the system. It is possible to completely skip the command line but personally I would do some basics as CLI tools are almost always faster.