there is not an honest contemporary definition of incrementalism that includes things like "instituted a rent freeze." incrementalism is resistance to action, so an incrementalist approach to housing reform would include steps like forming a committee, hosting public fora, and other non-actions.
I think there's actually a useful difference we can draw here. Namely: there is incrementalism that comes from pushing wherever possible (and with whatever levels possible) to make progress toward a maximalist demand, versus incrementalism that's positioned as an excuse for setting minor goals