Sell a whizzy router with go fast blue LEDs for $150 that dies after 3 years and you make $750 in 15 years.
Advertise it with some “value add” MITM dns hijacking by default and you can even get a recurrent revenue stream on top of it. Bundle it as “Internet security” and you can charge bothe the customer and the advertiser.
Except that 2 times was crashed and then start with blank settings.