Compose is very necessary to remain competitive in the mobile apps landscape. Google is also behind here by about a year, so I expect to see continued strong investment in this area.

This was my very first thought and I worked at Google for a decade. What an awful reputation.

If the framework is open-source, then I'd think it could be forked even if it gets killed.

The problem then would be if there are some changes in Android that are incompatible with the framework, rendering it no-longer-usable.