Transitions take time. 0 -> 1 replacement of existing interfaces is (1) not easy and (2) not a practical approach to market adoption.

"slapping on a chatbot" is a v0 attempt at re-imagining what software looks like. It's not very inventive and sometimes it sucks, but it's easy to understand and implement and we're very early in this era.

The distribution of change also isn't uniform. Excel might not have changed dramatically, but software engineering apps are evolving rapidly. Clawdbot/moltbot hint at new forms of personal computing. Look for the future where the optimism is.