Even if we don't drive our cars all the time, we don't throw them into a pile and break them. We take care of our cars, keeping them for years, and when they are no longer used, they are recycled.
Depends on how strict your countries DVLA is. If you dump a car the last registered owner is going to get charged and fined for fly tipping - in the UK
If we allocated 15% of the street space to micromobility that we allocate to cars, all these discussions would vanish.