you can mute your mic, use a static image, create a background, use a green screen and get creative, use many types of devices,
dubstepped ...
I'm sorry, there is no way that I am going to have a live camera in my home unless I actually want it (some on-line training classes in my home office).
If they insist on having the video open, I can photoshop some WT pics of Jesus and then show him wearing a bath robe thing they used to wear and let them see that.
What can they say ... that he (or me) should have shaved and put on a suit?
Rub a Dub