The Nordic model shows that it is possible to have a highly unionized workforce with free higher education, free healthcare, and social welfare. They have been very effective in fighting poverty this way.

Yeah, everything "works" until it doesn't.

See: https://www.cnbc.com/2019/03/08/finlands-government-resigns-...

"Financial constraints are colliding with the healthcare costs imposed by Finland’s fast-aging population. But cutting those costs is a major political obstacle in a Nordic country that historically has provided an extensive -- and expensive -- healthcare system."

Move to another country?

While theoretically possible, I do not see this solution scaling well for the majority of a population.