Yeah, I misunderstood the OP's intent.
I thought it was, "What are the benefits of detuning/beveling the board."
To which everyone has weighed in on how coar/not coar/smart/silly it is to bevel and detune.
When it was really:
"I wanna ride it out of the box, will anything catastrophic happen to me as a n00b?"
To which the answer is, "Not really. Have fun."