On Tuesday, 31 July 2018 13:44:29 UTC+1, wrote:
The more complicated they get (microprocessor etc), the more likely they
are to fail.

The more likely they are to be hacked and the more attractive they are to counterfeit.

Admittedly when I cut through the cable in the bedroom ceiling there was quite a lot of arcing, and it was rather disconcerting seeing the sparks flying about overhead, and the 30A rewireable fuse didn't blow

Owain