Traffic. You state “ by ruling an operation safe”
That is the problem. That is an absolute statement and would be an untruth.
The word “safe” means without risk. There is no such aviation operation. There should be no problem in communicating the truth.
If you communicate the truth it means you can allocate the limited and finite resources to where the greatest improvement to safety can be made. It probably means you would not introduce mandatory ADSB for VFR and let pilots spend the money to fly more and gain more recent experience.
A factual statement could be “ extremely safe”.