In my opinion, asking a new question about a similar thing (but another aspect of it) is much more preferable to modifying (adjusting) an existing question. It's extremely frustrating when someone modifies a question as it possibly totally invalidates a number of submitted answers.
It's also preferable to submit multiple questions about details rather than collecting everything in one huge (and possibly vague) question, as the individual questions may be of more use to others. Keep an eye out for XY-problems though!
I have noticed that there are a lot of questions about particular topics from particular users, and I might wish people actually read their manuals a bit closer, but I'll answer if I feel inclined, without actually looking at who's asking most of the time.
In the case of this particular individual, he's obviously working something out. I don't think it's a matter of farming reputation.
Having said that, I will be paying more attention to the panel on the right and its "Related" list of similar questions in the future, in general.