Very telling, that.
He must read WaPo tweeter Jenna Johnson here, and NY Magazine here, which omit references to the loud sustained boos by Boy Scouts for Obama but focus instead on the boos for Hillary.
Well, they emphasize what's important to them. Since they are Clinton advocates and Trump opponents and want to make the story a story about Trump's inappropriate partisanship, the fact that Trump was contrasting himself with his predecessor, not Hillary, has to be ignored.
Most stories have been about the boos for Obama.
Here is Boot:
At one point he actually had the boys booing Clinton, a former secretary of State, former first lady and the first female major-party presidential nominee in U.S. history. This is an offense not only against good taste but also against the Boy Scout rule forbidding any political activities in uniform.