Wow...
Carr then set his sights on NewsGuard - which Jonathan Turley notes has been long accused by conservatives "of targeting conservative and libertarian sites and carrying out the agenda of its co-founder Steven Brill. Conversely, many media outlets have heralded his efforts to identify disinformation sites for advertisers and agencies."
Basically, NewsGuard bombards conservative sites with struggle-session questionnaire emails demanding explanations for the slightest of indiscretions, after which they issue a "report card" that advertisers use to justify pulling ad spend.