I think it's the numbers (which counts as a customisation) that make it non-returnable.
Their returns policy is pretty reasonable: RETURNS & EXCHANGES POLICY
This is the Preamble to the Laws: the so called "Spirit of Cricket".
If you read these carefully, only one team behaved in a way that was at odds with the spirit of cricket—and it wasn't Australia.
Yes, it 100% should.
Had one particularly nasty umpire in local footy who loved paying non-existent frees to random players, further away from goal, when our FF would take a mark.