since all Bitcoin transactions are public and pseudonymity given by opaque addresses is our ONLY financial privacy protection, services like this should be considered a direct and malicious attack on Bitcoin system.
Good thing that Bitcoin flourishes from malicious attacks, otherwise it would have been dead a long ago or would die soon.
If they manage to establish themselves as LE's provider of Bitcoin info, then they're got a monopoly and a guaranteed income for the rest of their lives.