Assuming you're purchasing from someone with infinite carbon credits and you're spending it in an environment with infinite ability to re-sink the carbon. Sure.
To a more and lesser degree depending on the action, I try to apply "that rigor" to myself, at least?
And yes, I think the world would be better off if more people considered how their decisions impact others, if that's what you're getting at, but it's unrealistic to expect everyone to care about other people - and of course entirely impossible to account for ALL variables.