It's practically impossible for US society to get out of treating housing as an investment. Americans believe in home ownership as evidence of prudence (hard work + savings), acumen (housing always goes up so it's smart to buy a house!), and sense of security and achievement. These ideas aren't going to change any time soon. That's the ideological component. Home-owners also protect their investments because they're…
But I can't see how it ever goes away: it would definitely increase taxes on voters, so what politician signs up for it? It'll probably turn into a culture war third rail like SALT deductions first.