In the weeks before Halo 2 came out, I remember lots of folks playing leaked versions on hacked Xboxes. Halo 2 and the Live experience was terrorized by the modders that at times ruined the Live/Halo 2 for folks like me. This is Microsoft's make-or-break moment for the entire life-cycle of the 360. If I were in their shoes I would protect it zealously as well. Also, as a subscriber to Live, I actually appreciate that Microsoft has stepped up their protection of the Live experience.