Skipping the nonsense about not investigating and conducting a trial because other people might also be doing a crime.
> Because Microsoft is doing worse things than what they are accusing Google of, such as forcing users to use Edge and Bing in Windows.
Given that Google and other parties will have their chance at giving their evidence and testimony, would it not be better for Microsoft to be involved here where their own testimony will available for exploration?
Given that Bing powers DDG and Brave at least, and I assume Kagi consumes Bing also, I see no reason why the only other competitor to Google (in Search) should not be present.