>How are you going to have a Sovereign Wealth Fund when you're in debt ~300% to GDP?

This seems to be incorrect. Including federal, provincial and local, the debt is about 110% of the GDP.[1]

The US has 3x more debt per citizen than Canada.

[1] https://www.imf.org/external/datamapper/GG_DEBT_GDP@GDD/CAN/...