wouldn't it be great if instead, you could turn it on and it was turned off by default?
give people a compelling reason to use a product (in this case to turn it on), or you have no product--period.
give people a compelling reason to use a product (in this case to turn it on), or you have no product--period.
You might disagree with the defaults they've chosen, but having everything "off" by default isn't a great world.
Having everything by default is the very reason people chose to use this application in the first place. That's the product people bought into--with their data and attention--and now that product is getting changed, in many cases, without their knowledge and/or without their understanding of what's at stake.