The inevitability assumption. Not borne out by history. There are very long periods of regression if you look at the century-level scale, and it is not unreason

The inevitability assumption. Not borne out by history. There are very long periods of regression if you look at the century-level scale, and it is not unreasonable to contemplate the potential that we might be getting towards "peak tech", right, now. Will technology move upwards? Most likely. Will technology move in an uninterrupted straight line upwards? most unlikely.