Claudia Hammond has a different view on the benefits of these programmes:
https://www.bbc.co.uk/programmes/articles/px13GBCHr4jbs4GlRFNpg6/the-psychological-benefits-of-listening-to-the-archers
Scroll down to the short video by Charlotte Martin to see what goes on in actors' homes to produce the isolation broadcasts.
I suspect that actors working through the pandemic are trying to eliminate background noises as much as possible to try and match the professional quality of studio recordings. It probably is more of a challenge than having televison recordings in individuals homes.
Every day is a school day - I did not know that Ryan Kelly (Jazzer) is blind. You can just get a glimpse of his guide dog on the actors' version of Barwick Green.