Agree, they could have been a little more accurate about the number of people walking out. They do say "dozens," which is not fake.  This is not a long article; I'm guessing it was written and published with speed in mind, not completeness of details. "Dozens" seems fine to me; I don't see how that word choice is either better or worse than "75" for either side of the aisle. 

Keep in mind that your man Trump would loosely turn 75 into something like "200" (or 1.5 million) if it were something in his favor, "a couple" if something negative.  That is fake news, agree?

The next time you catch Trump lying---er, alternative-facting---to you, you should denounce him. Agree?