[robert_tweed]

There is a valid reason, which is custom configuration for each application. How you want a tablet to act in Blender is likely not the same as you would want in Photoshop. A lot of mice do the same thing.

Once the user has agreed to that valid use-case, there's not a lot the OS can do to stop the data being logged permanently.

[userbinator]

Doing that locally is perfectly fine; it's the (surprising) act of sending it over the network which isn't acceptable.

[jacquesm]

That can be handled quite well by local customization.