Debate erupted this week over the growing number of beach tents, or “cabanas”, proliferating on Australian beaches. The controversy, which began on social media, was fuelled by Prime Minister Anthony Albanese who declared it was “not on” for beachgoers to reserve a spot on the sand by erecting a cabana then leaving it vacant for hours. Albanese told Nine’s Today show “everyone owns the beach” and staking a claim on the sand was “a breach of that principle, really”. Other critics deem beach cabanas an eyesore. And lifeguards say the structures can obscure their view of the water, which poses…