Lol

I've already seen several users challenge you to trace their Monero transactions and nothing but crickets from you 🦗🦗🦗

"they only identify the sender in about 1 in 15 cases" 
In other words - random chance 🤦‍♂️

"I still think you'll need a considerable amount of off chain data"
Monero never claims to protect the privacy of things that are external to it's blockchain...no crypto can