Lets all stop the hyperbole and drama please.
Di2 is $600 to $700 more expensive than a comparable mechanical system. That's actual prices for an
R8000 vs
R8050 groupset on Ribble today.
Most people spend that much yearly for cable TV.
Everyone is free to choose whether it is worth it to them or not but I don't know where everyone gets the idea that it is decadent or somehow reserved only for the privileged few.
-Tim-