Hard disagree. You might be ok with loud engines splitting your eardrums and interrupting your sleep (or worse, your baby's sleep!), but society as a whole should not.

Live and let live is good and all, but GP said it was about "inflicting their taste on others," so I would read that comment to mean the inconsiderate things we should not let live. Loud pipes, unsafe driving, and loud subwoofers--I'll shake my fist at those clouds all day.

the most unsafe drivers I see usually have a "baby on board" bumper sticker. foot out the window, eyes down looking at a phone, can't stay in their lane, let alone manage a consistent (speed limit obeying) pace

Well as mentioned in the above comment I do not disagree with parent nor do I disagree with you. Vehicles of these extremes are rare, in my experience, as mentioned as well.

In practicality, I care more about how people drive than the loudness of their engine.

No offense but this is kinda soft mate. A loud car doesn’t “split your eardrums”, it’s at worst a minor inconvenience, and as part of living in a diverse society we accept that we will be inconvenienced sometimes.