They're not the only ones. This article from a website set up by some of the dissidents thinks its final days for the Brar project:

https://www.ebb-magazine.com/essay-reviews/inside-the-last-days-of-the-cpgb-ml?fbclid=IwAR1QAWFit9XgluIUCozGT8iUSDQWE2DR9bV9jvvGetZiCVbn8BqEidEce_g