The notam system has improved to the stage that it is now more or less useable.
It is still not very userfriendly and certainly does not meet any reasonable standard of being pilot proof. QED.
It's a bit like using an ADF. It works but is not really of these times. What we need is the GPS equivalent (with map)
FD
PS: I think they want you to register to keep an eye on use. And in cases like this if you claim you did look it will be a lot easier to defend yourself if you actually looked and logged on.