On the one hand, it is just New Mexico. This is what you are supposed to do to New Mexico. Good teams should blow out outmatched teams with little difficulty.
However, this postulates that LSU is a good team. And, looking around college football this season, easy wins have been harder to come by than the usual. The clinical destruction of another team, no matter how large the gap in resources or Q-rating, is impressive given how this season is going for almost everyone.
On the one hand, don’t read too much into this. On the other, the mere act LSU treated this game like a business trip is hard to understate.