I think you're on the right track here.. Good job thinking about the tools you have today and re-applying the ideas. I think you're staying reasonably positive in your writing ;) ..

It would be nice to have a dilution feature built into a User Issued Asset for things of this nature. So, sub-communities could invest in that UIA (user issue asset) and use its dilution to fund causes they believe it. Something that is much easier to create than an entire blockchain will probably help because it would help to have many of these UIAs (trial and error) to find successful and viral ideas.

I'll relay this idea in terms of a UIA feature. If UIAs and were supported to the level of dilution via blogging rewards, who knows, one day automation and standards may allow us to use implement tolls for using resources like roads where the toll might simply be to have a minimum balance of that given UIA.