Earlier quoted context omitted.
Can is a matter of a small handful of people making a decision. Calling that wishful is abdicating responsibility. The point is we aren’t powerless, we just love acting like we are.
The small handful of people have to answer to their constituents and voters are hostile to anything that will raise taxes or lower their quality of life today. That might change if things get bad enough, but by then it's probably too late for anything but a technological miracle. Non-democratic countries (like China and Russia) have a better chance of making the changes because there it truly is the case that a small…
No one cares if UPS delivery trucks are electric. Very few people are policy wonks and will pay attention to changes in FHA bureaucracy.
Voters have very limited bandwidth and attention. Most of what the federal government does, it does on its own initiative, with opposition from select special interests.