That's one of the reasons the boot up messages haven't been hidden and one of the reasons it starts at a text command prompt rather than booting straight into LXDE. If you are editing startup scripts and there is a problem, then it's useful (perhaps essential) to be able to see those messages.
It allows you to get under the hood and tinker with it.
The point of the Raspberry Pi is that it's designed for learning about computers.
This linux experience is totally backwards.
