TheWallyB, the “donation” question, and criticism, is constantly present where YouTube videos are concerned. It happens to even the most sincere video-makers. Eric Wilson finally spoke on it in one of his videos. Maybe you’ll get some ideas on explaining your point of view from Eric’s video.
https://beroeans.net/2020/09/13/media-money-meetings-and-me/
“Because of timely donations, I have been able to buy the equipment when needed to produce these videos and maintain the facilities to do so. There has not been a lot of money, but that is okay because there has always been enough. I’m sure that if needs grow, then the funds will grow so that the work can continue.”