Agree. It was clear even at the time that very little if any effort had been put into understanding the situation, what sensible efforts might be needed to mitigate and making those preparations. I'm not sure anything was screwed up though, more just nothing had been done.I think it was a panic measure because we had utterly screwed up things we needed to do - protecting care homes and the NHS, track and trace etc.
Then Prof Ferguson wheeled out his Excel spreadsheets based upon incorrect assumptions...