It is a common FlyerTalk practice to make suggestions that would particularly favor the poster.
The second point in your proposal certainly falls within that uniquely self-interested criteria, and would be unprecedented within the travel industry.
Also, it would be too complex for Marriott information technology (IT) systems.
Restoring new qualifications for lifetime Marriott
BONV°Y Titanium Elite status, that were abruptly halted on Monday, 31 December 2018, would go far in restoring the program to its former glory during the MarriottRewards era -- even with the significant increase from 750 to 1,000 nights required.
Of the three hotel programs that currently offer lifetime status qualification -- Marriott Platinum, Hilton Diamond, and Hyatt Globalist -- it is indisputable that Marriott's offering is by far the worst.
Yes, I would personally benefit from being permitted, once again, to strive for lifetime Titanium.
