It isn't annoying me, it's puzzling me, and it's perfectly reasonable and valid for someone to get a second opinion and an alternative assessment of what they have already been told.
It's not a personal matter, it's a matter of practicality and potential productivity.
I can't understand why you're repeating a query about a document, and an explanation of that document, that refers to an earlier query from a week ago which dealt with that matter, but your present question doesn't mention that message.
Your present question appears to refer to a new and standalone enquiry about this particular topic.
That happens all the time on here in various forms.
Typically someone will ask a question about a topic which has several related aspects, such as for example, a person, a location, a profession, so they will make several separate enquiries in separate message threads, and or, on different message boards, about different aspects of their main topic.
Which is a good idea, and it's perfectly valid and potentially productive to do that.
However, they also typically don't mention the other related messages in each individual message, and what they don't realise is that any response and information that they receive for one of their queries in one particular message, may contain information that could help people to give them a more detailed or accurate response to one or more of their other related messages about the same topic.
As for anoraks, any topic usually has some people who have a detailed and very in depth knowledge about that topic, and often about the most obscure and arcane aspects of that topic, and such people tend to hang out together on particular sites and forums.
For example, along with railways, WW2 military aircraft and air force operations for every WW2 country, is one of the most deeply and detailed researched topics in existence.
You can give some of those people the serial number of a particular aircraft altimeter, and from that alone, they can often tell you not only which aircraft that altimeter was installed in, and when, but also the entire operational history and mission history of that aircraft, and the names of every crew member who flew on each of those missions.
This is what an anorak is, and you'll find plenty of WW2 anoraks on the forums on the two links which I posted above.
https://en.wikipedia.org/wiki/Anorak_(slang)