WreX-iT There are varying views of the experts, also there is the interpretation of what the experts say from the ways goverment reacts even a different interpretation from each of the devolved goverments.
As far as fines and reporting your neighbours etc go don’t forget that once all this is all over your neighbours will still be your neighbours, who you may well rely on to watch your house, maybe your children if anyone suspicious is about accept parcels etc. etc. but will the goverment police or officials be about then to help you out.