He goes into detail on some of the videos, but to summarize the “controversial” videos due less well when it comes to recouping the money it takes to film them (if at all). They (often):

• have to account for more travel expenses to interview people
• can’t be sponsored since no one wants to sign up for those kinds of pieces and depend on ad revenue alone
• can include additional legal costs (have lawyers review things, etc. )
• for things that are time sensitive, they can also mess with the work life balance of the team and the regularly scheduled content they’ve been working on
• stress from dealing with mega corps with the money to ruin you as a side quest