Going shopping while charging is OK, though, isn't it?
Not to rehash old points on the idle charges, but one less talked about:
How certain are we that idlers are the definitive problem at overcrowded Superchargers? It would seem from anecdotal evidence that idle charges have not fixed the overcrowding, even though they have now been in force for over a year.
1) How big a problem are ICErs? Or people who park without connecting? What could be done about them? AFAIK, nothing is currently done about them? Perhaps in some locations it is impossible due to the landowner?
2) Is the Supercharger capacity sufficient for legitimate users at these overcrowding Superchargers? Tesla is obviously addressing this through larger and larger Supercharger setups, which is commendable. Could this fix the entire issue? Is this the entire issue? If so, perhaps all we need to do is wait...
If idlers are not the problem, increasing idle charges solves nothing, and attempting to stiffen up that road will just risk alienating the wrong crowd. The idle policy is already strict as it is. If anything, if people have moved to charging to 100%, idle charges may have even occasionally increased wait times at some locations...
To my layman eyes, solving the ICErs and parkers through some arrangement would seem potentially lucrative, assuming landowner agrees. But overall it is simply possible not enough Superchargers exist. Nothing but building more (or alternative charging networks sprining up) will help there.