Hmmm I have no idea if these guys taunted the tiger to provoke an attack however, if the tiger got over the enclosure at its present height then I surmise its far from OK.
If I am gonna to build an enclosure to keep something in then it is going to be to do so under any circumstances other than sabatage and/or acts of God.
As for “recommended”r “suggested guidelines” they are just that - NOT REQUIREMENTS. With the CRIMINAL track record and their hostility towards those trying to help them in the ambulance and later not cooperating even after they knew one was dead .... tell me something. They’re no “victims”.