The problem is solvable by stopping people like Musk from putting 42,000 satellites in space.
Especially when the problem he is solving i.e. global access to internet is already solved just not to the level we would want it.
So as a society we have to ask what is more important: watching Netflix on a yacht or having the ability to someday explore the universe.
Or we could just make a rule that all large constellations have to be put into an orbit under 500 miles where Kessler isn't really an issue and we could have our cake and eat it too.