Which is what Dems tried with the Build Back Better bill, but Repubs were able to successfully pit Democrat vs Democrat because increasing the SALT caps is easy to advertise as decreasing taxes for the rich.
This is a great article summarizing what I am trying to say.
https://thehill.com/homenews/senate/591378-salt-change-likel...
> Critics grumble that raising the cap on SALT deductions runs counter to what they say is the main political rationale for passing the legislation: addressing wealth inequality.
Repubs really put Dems in a bad spot with this one.