28 speed humps in 15 minutes is less than one every thirty seconds which doesn't seem like nearly enough for a residental area.

No car in the world gets damaged by speed bumps as you describe unless you drive over them irresponsibly, in which case you might as well level the same criticism at kerbs, parking barriers and traffic cones. Honestly sounds like you're a shit driver. If you need to slow to a crawl to get over them, fucking deal with it.

The people on bikes and on foot are dealing with rain or snow or baking heat, kerbs and arbitrary crossing restrictions, noise and pollution. If they fuck up they might get a bruise. You, meanwhile, are sitting in an armchair, in a climate-controlled room, surrounded by padding and safety equipment, and all you need to do is gently push either the "go faster" or "go slower" pedal to solve all the problems you're moaning about, and if you fuck up you are almost guaranteed to walk away but might kill or maime several others in the process.

You need to take responsibility for yourself, or you need to fuck off.