An announcement of a public AI infrastructure program joined by multiple companies could have been a monumental announcement. This one just looks like three big companies getting permission to make one big one.
Ellison stated explicitly that this would be "impossible" without Trump.
Masa stated that this (new investment level?) wouldn't be happening had Trump not won, and that the new investment level was decided yesterday.
I know everyone wants to see something nefarious here, but simplest explanation is that the federal government for next four years is expected to be significantly less hostile to private investment, and - shocker - that yields increased private investment.