Indeed, that argument feels very much like "you're holding it wrong". Technology should adapt to us, not the other way around. Especially human interface devices like keyboards.
Part of the issue with Apple's keyboards is that the activation point is so close to the bottom due to the short travel. Lenovo does this a lot better and it's really a joy to type on. Bottoming the keys out hard is instinctively reduced due to the earlier and clearer feedback.
I agree that technology should adapt to people’s anatomy rather than vice versa. The improvements in that direction in switch design are a longer travel distance, sharper tactile snap at the actuation point, where possible audio feedback, and possibly lower force required for actuation.
More importantly than keyswitch design, the keyboard is a pretty bad overall shape for human hands. Laptop keyboards could be improved dramatically with a different physical arrangement of keys. In particular the right half of the letter keys should be scooted an inch or more to the right, and arranged so the wrists can stay straight while typing, the right pinky should be given fewer keys to press, the thumbs and index fingers should have more keys, and in general finger reaching should be minimized.
Training to safely and efficiently use tools is also important, however. Untrained typists have injuries at much higher rate than trained typists, because they develop habits poorly aligned with human anatomy. Same story for musicians, etc. Many people would benefit from more effective handwriting training.
Telling people to sit with their backs straight instead of hunched over or slouching, keep their necks straight, keep their wrists straight while doing fine work with the fingers, (more generally avoid postures with high static strain on muscles/tendons,) change positions every once in a while to reduce/shift remaining static loads, get enough sleep and exercise, etc. is just generally good advice irrespective of equipment. RSI is no joke, and people who make heavy use of computers should make some effort not to cause themselves permanent injury.
Yes indeed, I've had RSI in varying degrees for decades ago I'm very careful with it. Though it's easy for bad habits to slip in.
But part of this is that I will feel very quickly when something is ergonomically wrong. The butterfly keyboard in particular but also Apple's super flat magic mouse.
On the other hand, it doesn't have to be something super fancy either. Even the basic Microsoft wired ambidextrous (so not officially "ergonomic") mouse serves me well.
The older Apple keyboard (Island style) also suits me. It's not all bad :)
Part of the issue with Apple's keyboards is that the activation point is so close to the bottom due to the short travel. Lenovo does this a lot better and it's really a joy to type on. Bottoming the keys out hard is instinctively reduced due to the earlier and clearer feedback.