With problems like this, the path from identifying the problem to identifying concrete steps to address it is not necessarily trivial. It also ideally involves society as a whole.

As such, discussion of the nature of the problem and broad-strokes ideas about how it might be addressed - e.g. "techno-selectionism" - can be an important part of the process of improving the situation.

As for your proposed solution, breakups of companies like Meta, Google, Amazon, Microsoft, and probably quite a few more, is certainly one potentially promising possibility.