Compared to the huge finales that US TV series have spoilt us with in recent years in terms of twists and action, the fact that this damp squib of an episode was a total letdown of a series ending was probably the only original thing about the entire show.
Despite the laughable hypocrisy, the benefits of celebrity environmentalism are obvious, even when they merely regurgitate inoffensive green buzzwords. They draw attention to unnoticed issues. They mobilise people. When they speak, we listen.