I live in a bubble in Calgary, and am from Montreal originally. Despite that, I saw lines of people waiting to sign petitions for separation in smaller cities. People who were happy to have their photos taken while they are signing petitions for separation from Canada.

There are some cultural factors in Alberta which draw it closer to the US than to Ontario and Quebec. Libertarianism, pro-fossil fuels, differences wrt firearms, differences in attitudes to crime and punishment, etc... The perception is that previous compromises around these items are slowly frayed to appease voting blocks in other provinces (mostly Quebec).

Then, the dirty reality; the Canadian economy has never been "great", at least in my lifetime. Nearly my whole class at university wound up going to the US, because one couldn't get a decent paying job in Canada in a lot of fields. Even our current prime minister did a ton of his work abroad. If separating (IE: joining the US) was only an economic question, only a tiny elite would support remaining a part of Canada.

The question Alberta separatists wish to ask is much less dishonest than the Quebec separation question in 95, which leads me to believe they are much more confident about their success. I wouldn't rule it out.