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One Tiny Change, and Suddenly Everything Feels Wrong

I got a new laptop this week. A ThinkPad as always, so in principle everything as before. Except this time: on the newer models, Lenovo has swapped the Fn and Ctrl keys.
That sounds like a trifle. For new users it is arguably better, because it matches the common standard. For me, working constantly with shortcuts, it was a small catastrophe. A few misfires included.
Over the years you get used to quirks. The TrackPoint. The key layout. Fortunately the keys could be swapped back in the BIOS, and there were still some stickers around for the now-wrong labels.
Changes are often objectively sensible and subjectively difficult all the same.
Exactly this applies in controlling. Scenario-based and driver-based planning deliver substantial efficiency gains. But when change management is missing, you end up with workarounds instead of real progress. People rebuild the old world inside the new environment.
Resistance is rarely aimed at the improvement. It is aimed at losing your own routine.