RTO:
Unfortunately its hard to blame an accident on missing a notam.
Which is what they have been relying upon for the last 50 years. If you miss a Notam, it is your fault, not ours (no matter how daft the system is).
It is like the previous government's 3,000 new laws. There is no Mastermind winner in the country that can honestly know of all these laws, but still they say that not knowing the law is not an excuse in law.
The lunatics have been running the asylum for long enough...
.