No, you didn't read what I wrote: It [Google AI efforts] are not going to regress somehow... I mean, it is probably exponentially increasing in power by the day.

They not only have custom silicon (TPU), they have the software too. Do you have extraordinary insight|foresight|genius or have you discovered/developed a major breakthrough in AI/ML? If not, good luck competing with these companies. It is a resource problem at this stage, as consolidation happened and there is no going back.