Taking great care to avoid revealing your capabilities has been integral to spycraft for a long time.
This is effectively what we’re learning the government does through its FVEY[1] “partnerships”. Can’t spy on a US citizen? Have our neighbor do it and pass it back to us!
1. https://theintercept.com/2018/03/01/nsa-global-surveillance-...
The answer is throwing everything you have, and only some of the time reveal what you know.