dont stretch the page
yeah but on badlands he has to get to the spire to defend it, and the big thing about scouts/demos/soldiers is their mobility allows them to get to it faster to defend it
also everything you brought up was about defense
if youre playing it with a bigger focus on defense than pushing you are going to lose
every time
thats also why heavy is rarely used
oh look thats a pretty easy explanation as to why the normal team setup is what it is
except we didnt mention spy but you can probably figure that out