People think that just because you're in a parking lot, suddenly the lines don't mean anything. I'm driving down the official lane but I have to slam on the brakes because someone's making a diagonal across everything. There is some leeway but it's not Thunderdome.
Any time Radiohead want to do their best Roy Orbison, they are welcome to do so. In fact, I can't think of another combination that I would enjoy more. But, as this took 20 years to release, I don't expect it to happen very often.