Bitcoin is a tool for emancipation and self defense that can help the discriminated against the most: women, LGTBIQ+ persons, migrants, people under a genocide attack on their own country like Palestinians, etc.

It could also help countries to defend themselves against the IMF and the US sanctions that makes them suffer isolation and poverty, like Cuba, Venezuela, etc. And also against colonization and extractivism (the current form of slavery) by the US and Europe on the countries where the Federal Reserve exports the US inflation.

Bitcoin can help us fight against the environmental issues and solve the energy poverty some people and some regions suffer.

In essence, Bitcoin is a very powerful to non violently fight against the neo-liberalism which aim is to make the rich richer by extracting resources, time, work (about everything) from the rest.

I'm a biologist by education who cares about nature and the environment, but not a supporter of the green parties, which are part of the neo-liberal game as well, and a progressive, but not supportive of the supposed progressive parties, like the Democrat party in the US or the so called Socialist European party, which are also part of the same game. I'm mi opinion, Bitcoin aligns very well with the defense of the Human Rights and progressiveness.

Unfortunately, the majority of progressive people only here talking about Bitcoin being used to get rich fast, buy lambos, and make crypto parties on luxurious yachts in Monaco. But there are plenty of talking points (as you ask) that appeal to progressive people, only there aren't many of us (yet) who talk about these things in these terms. :-)