Because the hype cycle on the original AI wave was fading so folks needed something new to buzz about to keep the hype momentum going. Seriously, that’s the reason.
Folks aren’t seeing measurable returns on AI. Lots written about this. When the bean counters show up, the easiest way to get out of jail is to say “Oh X? Yeah that was last year, don’t worry about it… we’re now focused on Y which is where the impact will come from.”
Every hype cycle goes through some variation of this evolution. As much as folks try to say AI is different it’s following the same very predictable hype cycle curve.