Is there no way to have the best of both via some specified revisitation of the spec, or sunsetting of the original provision? It seems like a sunset period of

Is there no way to have the best of both via some specified revisitation of the spec, or sunsetting of the original provision? It seems like a sunset period of 5 years would enforce the global switch without a permanent lock-in. Potential downside is that it might hamper development of alternatives, but that’s also the point.