Are most happy? Absolutely.
What is Canada doing well? Maintaining the federation despite all odds. Avoiding the worst excesses of populism thus far. Reality-based political decisions in most jurisdictions. Addressing the pandemic.
What could be improved? The equalization and transfer formulas. Dental care and drug funding. Interprovincial transportation links. Founding immigrant communities in smaller cities and rural areas, primarily through decentralization of related federal jurisdiction. Everything that leads to shit like this: