1) it doesn't have to be a boondoggle, but it generally is because of US citizens' love of cars 2) 7.7% is a nontrivial number, and I expect it to increase if

1) it doesn't have to be a boondoggle, but it generally is because of US citizens' love of cars 2) 7.7% is a nontrivial number, and I expect it to increase if transportation became more accessible