A loud bike has the benefit of being a giant "f you, I'm an antisocial idiot" to pretty much all the innocent passerbies, race colour gender political affiliation OS preference aside :). It shows to others exactly what your post does so succinctly.

You should be treating people like people-not limited terms like “liberal“, “conservative”, or anything else. People are people. Ends unto themselves. Not means to an end, such as whatever calling someone liberal allows you to do and feel.