This may not be what we predicted, but it's accurate. P’s basis for assessing the utility of compliance is whether the new regulations would have prevented last year’s laboratory fire. Q extends this basis to assessing whether the new regulations would prevent money from being wasted.

Q does not state a position on whether he believes the new regulations would have prevented injuries in last year’s laboratory fire. Q’s argument addresses accidents generally.

P’s argument does not conclude that all regulations are useless. P only concludes that the new safety regulations are useless, and Q responds to this narrow conclusion.

Q does not point out any false assumptions in P’s argument. Moreover, Q does not state a position on whether he believes the new regulations would have prevented last year’s laboratory fire.

Q does not point out a distinction overlooked by P. Although Q does point out other benefits of the safety regulations that were not considered by P, this doesn't constitute pointing out a distinction between potential and actual benefits.