I have met GTI requirements, it is not impossible, slightly harder. I am working on UK Tech nation visa which is slightly harder further. I personally like UK option because more cities in UK feel affordable to the nightmare that is Australia and Canadian real estate has become.
Bottomline, if you are an experienced worker with decent creds, Canada is not the end of the options. If you are a young worker trying to make a place for yourself, do not get dishearted if there is a delay... By boosting your profile a bit more options can open.