"
They still benefit from the grid - stoplights, for example. They should contribute."
Taxpayers/feepayers with PV solar systems already pay for those and for other energy used for comforts by the following (not to mention the medical insurance benefits and pensions).
Heavy Hitters: Top All-Time Donors, 1989-2014
http://www.opensecrets.org/orgs/list.php “2
American Fedn of State, County & Municipal Employees $60,949,129
[Democrat] 81% [Republican] 1%”
Leviathan (Uncle Sam employs more people than you think) National Review ^ | 02/03/2011 | Iain Murray
"
...nearly 40 million Americans employed in some way by government."
About "
70 million" people are receiving good incomes but are also steeped in debt and can't borrow more for big ticket items (see groups above).