So, someone's reputation matters when they post a video of someone else? Can you not just judge the video for yourself and seek more context if you need it?
>Post history has importance when considering whether someone’s ignorantly sharing partisan propaganda or not.
Yes but it doesn't tell you whether the thing is good information or not! Not everything that is "propaganda" is bad information. Especially in cases of "partisan" issues, you have to look at both sides of it because it often happens that one side denies or misrepresents the other side. I can't believe I have to explain all of this...