Earlier quoted context omitted.
I have to think it's a direct response to neovim, and that competition between them is likely to be very good
The reason neovim was started was to add these exact features. Now that vim has them, I think neovim's work is done. Mission accomplished.
Starting up a competing project has a huge cost. Once started, it's overwhelmingly better for the world for the competitors to continue[1], so that they can continue to make each other accountable.
[1] Unless one of the competitors is able to subsume the other. Like EGCS subsumed GCC back in the early 2000s. Total victory is a valid emergent outcome of competition, not somebody deciding what 'should' happen.