"Really? I look forward to the mumsnet quiz on how televisions work because apparently unless you understand the physics behind them, or have a full knowledge of the regulatory system that approves content for broadcast, you can't have one. "
You're comparing apples with oranges.
TV isn't regulated using computers, it's regulated using humans. We already understand how they process information because we are humans too.
The internet has to be regulated by computers because of the sheer size of it, understanding how they process information is key to how we can use them.
"But I don't need to understand what checks are in place to make sure the water that's pumped into my house is safe for human consumption - I expect the regulator to do that. "
Fair enough, but if all the experts on how water is checked are saying that the system for checking it is deeply flawed would you still drink it?