if you do not accept the terms and conditions you basically have a brick
so in theory no you do not have to accept but then good luck getting anything to work.
as a 360 fan ms have made it too difficult to justify the xbox one its just constant bad news... saddening really
it was not 'sony' as a whole it was a certain division and I'm sure the heads at Sony when found out reprimanded them.
Sony Germany need to be more classy