Incorrect since a power is defined as "the right to exercise control", if follows then that when that power is violated by prohibiting the right of control, then that is in deed synonymous with a destruction of that power.
A "power" admits to no violation, and neither does the Constitution.
Even the FISA court itself has concluded that the President has the inherent constitutional power to conduct warrantless searches to obtain foreign intelligence information. If the President has the power, then it hasn't been infringed.
In other words, by regulating it, as you earlier admitted that Congress has the power to do?
Just how many angels are you going to try to get to dance on the head of this semantic pin, anyway?