That's already the case with the client hints. The UA string is soon to be deprecated, Chrome has even introduced a number of reductions in the past year.
UA reduction has officially started with Chrome 101: The UA string is not sending the minor version anymore, only 0.0.0.
This is the beginning of the end for the UA string. As more and more UA reductions are deployed, the UA hints will become more useful and eventually depreciate the UA string entirely.