https://www.intact.ca/on/en/personal-insurance/vehicle/car/u...
The relevant quote that applies to me: "When Uber drivers are using their vehicle for personal use, Intact Insurance, Novex, Jevco and belairdirect customers are protected as usual under their personal auto insurance policy at no additional cost."
And yes, the policies are the same price or cheaper than the competitors that don't have ridesharing included. They make up the money by attracting customers like me and by getting paid premiums by Uber for the commerical portion of the coverage.