2. The content quality is very important, but the production quality is not that important. Production quality and technical aspects have to be OK but not world class. Better production quality is correlated with more trust, but it can’t make up for the lack of substance. So, Facebook Live videos, webinar recordings, and other video material with good enough production quality will work as long as the content itself is engaging.
Professional cameras, like DSLRs, give you fine control over the manual settings of shooting video and allow you to achieve the shallow depth of field (background out of focus) that people rave about. While they're primarily used for photography, DSLRs are incredibly small, work great in low light situations, and pair with a wide range of lenses — making them perfect for video. However, DSLRs do require some training (and additional purchases) of lenses.