Makes me curious about the internal thinking. One theory being they are in a capacity crisis and knocking Pro users off Claude Code is an emergency brake getting pulled. But an opposite theory is it's a revenue move and they think they have the lock in to pull it off. Especially if they are building up to IPO.
Interestingly the Team subscription which is still $20/month/seat still includes Claude Code. But you need minimum 5 seats. So it could be a way to force people off individual plans and into enterprise plans where possibly things scale better for them, especially IPO/wise. When one user wants it in a company, probably they go buy 5 seats.