My [intended but perhaps poorly articulated] point was that playing DnD doesn't feel the same as making tools for DnD.
However, if you accept that premise and are willing to endure potentially dull work, then caring about DnD will allow you to make much better DnD tools.
[1] (updated to remove irrelevant personal information)
And doing that doesn't feel the same as slinking around dungeons and fighting dragons, which is probably terrifying and deadly... but on the upside holds far more social prestige than playing Dungeons and Dragons.
My [intended but perhaps poorly articulated] point was that playing DnD doesn't feel the same as making tools for DnD.
However, if you accept that premise and are willing to endure potentially dull work, then caring about DnD will allow you to make much better DnD tools.
[1] (updated to remove irrelevant personal information)