Mostly that he really should have seen this coming. These people absolutely do not care what happens to mathematics (or any other field). They compulsively lie and steal and they played Tao and others like a fiddle. He danced to their tune and now that the music has stopped, now do they complain.

He was the poster boy of the mathematician yielding these tools for his own benefit. But he forgot who the owners are.

Too little too late.