> The NBs should use this veto power more often until the committee learns to not push half-assed features into the standard.

This half-baked contracts proposal has been systematically cut out of the draft since at least 2020.

I mean, how long does it take to fix it? Perhaps it's unsalvageable?

Their proponents seem to be more interested in playing political games than to fix the mess they presented. Apparently they don't mind sabotaging the C++ standardization process to get their way.