"might be the user" 
"no strong indications"
"I don't feel confident" 
"we have to keep in mind that's just one possibility...we do not know with any certainty..."
"not many bread crumbs to follow"

Totally traced 

 Aye! Always using VPN or Tor and not using sus wallets which connect to sus nodes are the key takeaways for me. 

 That's what I got out of it too. 

Don't use centralized exchanges either!
Not even Monero can protect your privacy from anything that happens external to it's blockchain.