"His tank was empty". This is understandable, I've seen tonnes of leaders blow up towards the end of a grand tour. But none of them immediately bounced back to dominating the very next day.
This wasn't him missing the last few % or whatever, he got dropped from a 50+ peloton on the first climb, he had nothing yesterday. Can you remember any comeback ride remotely comparable?
I agree that Remco will go stage hunting eventually. But today? I'd assume whatever hampered him yesterday will do so today, as well. Maybe take it slow for a day, recover, lose a bit more time to have a solid breakaway ticket in stages to come?