If you cherry pick the localized data, even the worst off suburbs of Toronto you see a dip of just over 22% with a pretty quick reversion to the mean. If you look at metro areas, none of the cities in Canada saw greater than 10% drops from 2022 peaks, and they have all recovered from the bottom.
If you break it out into type of home, it shows that the average price drop is about ~10% for any given market. This shows that consumers in 2022 shifted buying preferences from expensive home types to cheaper home types. This makes a lot of sense given the push for multi family housing and rising interest rates.
The value of individual housing didn't change 30%, it was mostly just a market shift towards cheaper housing. If people shift from buying Mercedes to buying Kia, the average transaction price for a car will fall a lot, but that doesn't mean that Mercedes is on sale for cheap.