SO saves time, but drives away the expertise: If I need a help in a bigger, complex and not so trivial questions such as what framework to choose (e.g. angular

SO saves time, but drives away the expertise: If I need a help in a bigger, complex and not so trivial questions such as what framework to choose (e.g. angular vs backbone), chances are that question will be closed as not relevant. That leave very technical specific questions which are easily answered by references book.