At first it was "making decisions", then it was "initiate legislation", and now it's "decide what the law is". It's tiring to argue against moving goal posts and bad faith. Besides, the first sentence of a Wikipedia article is not the ultimate, complete and exhaustive definition of what something is.
> Something that cannot decide what the law is
Good thing the EU parliament decides what the law is, then.
> Something that cannot decide what the law is
Good thing the EU parliament decides what the law is, then.