Lemme tell ya, as someone who grew up with detailed help manuals built into everything at the touch of the F1 key,
it still floors me that acceptable went from that, to help online (good luck if your issue is "no network"), to only the most scant of troubleshooting pages.
It's Me, Mole 🔞
Everything has a million options so you can fine-tune how each control point works and feels
This is both the biggest strength of the Steam Controller, and also it's biggest problem - the amount of control is daunting and there's no manual in sight, so it can be a bit intimidating to set up proper.