"How to do A?" Comment: "You shouldn't do A, it's better to do B" Closed, duplicate of "How to do C". Yeah sure, in the beginning, there were many more basic questions (how to increase number by 1, how to get division remainder, how to check if file exists,...), and if you're coding in Perl, you can still find all the answers... if you're working in python, you'll find answers for python2, some for python3, some spec…
That makes it much, much less useful than it otherwise could be.