Looks bad. The group they just took Tigray from was a remnant of the (according to Wikipedia) vaguely left (and apparently at one point Leninist/Hoxhaist) party that used to lead Ethiopia that the current prime minister, who is mentioned in the article, recently disbanded and attempted to merge into his new liberal party, the Prosperity Party.
Nah, mate I live in the region and that group wasn’t revolutionary or Marxist in any sense. They were an ethnic fascist militia that looted the country and tortured political dissidents and ethnic minorities they were not Marxist leftist but the opposite