It's not really, a honeypot (ha, title relevant) like this only works if it is obscure, as soon as everybody is aware of them the game changes significantly. If being a persistent threat is more valuable than the honeypot to the attacker, they just won't touch the honeypot until they are found out or on their way out anyway.
At best it's confirmation that you have been compromised, not evidence that you have not.
At best it's confirmation that you have been compromised, not evidence that you have not.