Genuine question: who, precisely, cares about "incentivising owner occupancy" as a policy goal? What interest does that serve and why should the government prioritize maximizing that metric?
Basically right now we measure "what fraction of homes are occupied by an owner" and not "what fraction of people live in their own home?". It seems bleedingly obvious that the latter is the number we should be maximizing, if either. And in particular it seems to me that a lot of argument about the former is actually using it as a proxy for the latter anyway.
No one cares about the poor homes who don't have local owners!