It would have broad appeal, but not to the developers etc. that are buying 10K plates at fundraising dinners ...
> The principal residence tax exemption is also a joke
The problem is that without that exemption, you literally can't afford to move. The 6% "tax" for real estate fees are already painful if you are trying to move to a house of the same value in another city, but if 40-50% of your sale value was considered a capital gain ...
The real problem is people "moving into" rentals for 6 months and then declaring that their principle residence and selling the property. Once you start renting it should be forever be a business property.