A phrase often used to point out instances of technicality, ambiguity, or
hypocrisy.
1. A technicality. The meaning of the phrase in this context is "well yes, technically you are correct about superficial elements, but actually no, you are
wrong about the substance in some
way that invalidates the premise."
2. Ambiguity. The meaning of the phrase in this context is "well yes, some elements of this that have merit, but actually no, there are further details that must be considered."
3.
Hypocrisy. The meaning of the phrase in this context is "well yes, I will say something to you to temporarily satisfy you, but actually no, my true actions will go against what I've said."