What puzzles me with IBMs roadmap is their scaling:
2025 156 qubits, 5000 gates
2028 156 qubits, 15K gates
2029 200 qubits, 100M gates
2033 2000 qubits, 1B gates
The jump from 15K to 100M gates looks fishy to me. Maybe I am wrong but I doubt that will work that way.