They were temporarily debanked under highly debatable circumstances. Regardless of your political leaning, if you care about basic human freedoms, the level of power the government has over the access individuals have to their finances (in addition to the degree to which every social institution is deeply entangled with that financial system) should be a cause for concern.

The Truckers were on Canadian soil and subject to Canadian law, there was no reason to freeze their accounts like this. They should have been pursued in criminal courts, during which their access to legal counsel should not have been obstructed.