Those who cling to the dysgenic system will mostly die out over time. Reject the system and thrive. If it was that simple these problems would be solved in a couple of generations. But there are a few other pressures. There are solutions, but they will not be comfortable, but better in the long run.
Secede in place: separate your energy and support from the institutions.
Separate and build anew: Remove yourself physically and financially.
Revolt against the modern world: Consciously use your energy in opposition to the modern paradigm.
Those who cling to the dysgenic system will mostly die out over time. Reject the system and thrive. If it was that simple these problems would be solved in a couple of generations. But there are a few other pressures. There are solutions, but they will not be comfortable, but better in the long run.