Now you are talking shit. Errrr I mean sewage. ;-) Miles of pipe under most cities. Don't forget storm water. I still don't get why we build houses now with a roof then effectively install another roof (solar panels) on top to be efficient. I guess the problem is there must be a dollar in it.
The above mentioned product (I am unable to follow the link at the moment thank you Telstra) I assume is designed to be replaceable over serviceable. I am also guessing at the mentioned price they plan to flood the market.
Businesses are in business to make money.