I don't have a problem with people answering at different levels of abstraction.
Neither do I. But the path of abstraction should be visible, and understandable. The post from merlyn you cite is not so much about abstraction, but about how skilled guessing works: not presuming too much, and not sending off people with a premature answer that really doesn't help solve X or Y entirely.
Throwing in consultancy jargon quotes from a random bullshit bingo chart which might, by several twists of the mind, yield some remote connection to the problem at hand is not that sort of abstraction, or skilled guessing. It is throwing shiny shingles on a fishing line into the river - it is trolling: trolling with baits, and more often than not, they are toxic.
perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'
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