Idiom
in its infinite wisdomin (your/its) (infinite) wisdom
using your or its knowledge or intelligence.The city government, in its wisdom, decided to close the library and now kids can't use it for research or just plain reading.When I said we needed a bigger house, my wife replied, in her infinite wisdom, that we did not have enough money.
Usage notes: usually used humorously to show that something was not based on great knowledge or intelligence, as in the examples