I only got into photography a few years ago, and I almost immediately felt this issue, so it's clearly not just a matter of habit.
It's also important to note we're not comparing between different brands here, we're comparing models within the same brand. E.g. Canon has the R3 but they also have the R5, which is much more appropriate for all professional uses that don't involve shooting action.
And finally, speaking of Sony ergonomics, e.g. my a6400 can't fit the focus joystick I have on my a7iii.
It's also important to note we're not comparing between different brands here, we're comparing models within the same brand. E.g. Canon has the R3 but they also have the R5, which is much more appropriate for all professional uses that don't involve shooting action.
And finally, speaking of Sony ergonomics, e.g. my a6400 can't fit the focus joystick I have on my a7iii.