I couldn't find any discussion on the forum about this BIP.
I assume that most of you are familiar with the BIP-119 proposal.
I don't think it will win 90% approval of the miners' hash rate.

I don't know if it good or bad for bitcoin a proposal like this, but for sure it will benefit Rubin financially.
According to the suggested Speedy Trial, the neutral votes are counted as 'positive'.
Loosing the fungibility it's not exactly what I envision for bitcoin's future.