Many in the west certainly wouldn't agree with you now, or 100+ years ago.

https://xcancel.com/DonBraid/status/1187052993788559360

This is about more than just money though.

Politically the west is underrepresented and the cultural difference between the West and the rest of Canada is very significant - unless you ask folks from Ontario who have never been to AB. In my opinion, Canada is too geographically and culturally diverse for a central government to have so much power.