Using closed source software to drive my OS doesn't sound that appealing to me.
Then don't buy it. Not everything in the world needs to be made free just for you.
Yeah, feels kinda weird to think about using a mouse pointer utility with licensing DRM.
If you're on Linux, mouseless [0] may work well for you.
[0] https://github.com/jbensmann/mouseless
Then don't buy it. Not everything in the world needs to be made free just for you.