The ~20 years prior to that we were in a world where you chose to align with either Microsoft's tooling, IBM, or shops providing Unix tooling from proprietary vendors.
I elide a nearly infinite amount of detail, obviously.
What's new now is that you can get your own window manager written to spec in under a week, perhaps much more quickly, not just choose one of a few major window managers and configure it in accordance with the chosen configuration options delivered by the large developer team.
Now I can build a bespoke table in an evening or two and it fits my stuff just perfectly.
I could do it before too, but it would've taken too long for me to bother, so I dealt with the whole house along with the table.
I don't think I can explain the difference, but it feels really different. Even if you used claude.