Size and rights are definitely an aspect, but so is context. If we were to upload this to YouTube for example we imagine that the film would be interrupted by commercial breaks every now and then. Plus there is the 12 hour length limit.

We did livestream it on Youtube back when you could opt out of commercials. And in a way a livestream is our preferred way of showing the work but doing so from home forces us to make sure the stream is running 24/7 for 37 days...