Not sarcastic. Seattle resident frustrated at NIMBYs who want to replicate the most asinine of the SFBA and NYC practices.
YIMBY, actually: NIMBYs are the folks who don't want to have development nearby.
League of Urban Voters: we would work together to draw up a workable plan for the next 12 election cycles (or so) - the LUV would accept members and donations from all who support the goal of increasing density and urbanization. Key congress people supporting the goals would be identified, along with professional city planners and professionals at universities. Supporting cast members would be industry groups and other coalitions that we find common cause with. We would collaborate with them to develop talking points and in-depth policy wonk analyses, policies, and plans.
After we had hammered out the key policy points and major reasons to shut down the pro-single-occupancy house policies & pro-suburb policies, we'd go onto the campaign path, understanding that it'd be a 48-60 year battle. There'd be a blog, a forum, probably eventually a think tank and a journal. Given a careful orchestration over the timespan of two generations, a reasonable success would be had.
There's no God-given right to live in your own home on an acre of land in the US. Or in a 120-story skyscraper. These capabilities are hammered out through politics, engineering, and money. If the sociopolitical scene is tuned to have cheap houses, it'll have cheap houses. If it's tuned for condos in skyscrapers, it'll be condos in skyscrapers. This genuinely is malleable stuff here.
N.b., this is not unique to housing policy. You can define the same general game plan for any particular issue you like.