The other day a guy in my group straight faced said something like "The beauty of D&D is we can make up and try out some rules for, like, a chase scene. If we don't like them we can be like ok that didn't work let's try something else."

My dude that is not a unique property of D&D. That's true of any pen and paper game. The fact that D&D provides lousy rules for things and we have to stumble around trying to come up with something that works is not a strength