The whole Netscape affair was probably the leftovers from a political battle behind closed doors.
Two words: Campaign contributions.
Don't expect M$ to be dragged in court and actually get hurt. It's just so infantile. M$ rules over polititians and politians rule over the court. M$ cracks the whip and tings go away.
It's not utopia nor is it fair. It's just the way things work at the moment.