Because not everyone is competent or willing to do the research needed.
I work with ventilation and installations and my home got around 400 becquerel. I have no fucking clue what more I can do to solve it without spending a fortune. If we had a basement I would go wild but we don’t.
Function control I would route through my home assistant server.
Edit: I think I completely missed your point when I wrote this. I need to learn to read.






Oh. I know a bit of 40k stuff but I played Tyranids because that was the only bit of 40k that even remotely spoke to me and that was a long time ago now.