I think it's thinly veiled politics, and after Alex Jones was shut down for the Sandy Hook conspiracy it became a topic that was "conservative" and the pushback is more according to the programmed response of political opposition rather than mass genuine interest to keep misinformation and skepticism at bay.
Nah, everyone should strive to do the right thing, and it comes in different forms depending on perspectives, there is never a universal answer on many topics. If 9/11 conspiracists received the same treatment I could agree it was a fair reaction, but sometimes you have to relate that as a common civilian there are many things that are happening we don't outside of whatever is reported. The ones who get it wrong still only had a newspaper article to read and probably believe something darker is going on in the background. Sandy Hook probably happened, but it's still blind to accept all information as it is to reject all information.