Not sure if it’s the same in Canada, but the US has an insane amount of people who pay for cable still, even in areas with high speed internet. I honestly don’t understand how people like it, especially with how expensive it is. It’s even worse if they have satellite and it cuts out during storms.
https://www.fiercetelecom.com/broadband/theres-no-reason-docsis-cant-become-symmetrical-spec-cablelabs
Here’s an interesting article about it. It’s really a limitation of current DOCSIS (fiber is a lot simpler) tech/equipment, but it’s being improved.