Nearly every question I check on StackExchange, there is some smartass commenter. If someone asks something that is not clear, instead of saying something like, "It is not clear. Do you mean [this] or [that]? Thanks", they say, "Why say one thing [there] and another thing [here]?" in an accusatory tone, or in a tone that effectively, you sound confused. A good example is: External table is not in expected format SSIS
"So are you using SQL Server 2008R2, or SQL Server 2012? Why say one thing in your question and something else in your tag? – Mark Sinkinson Feb 19 '18 at 14:16"
Does it REALLY matter what is in the tag? Isn't what really matters is the question? If you are confused between the tag and the question, don't answer it. That comment isn't helping anyone, obviously since Tom V was able to answer it regardless what the tag says. Also a smartass comment I often see is rather than answering their question, they ask why they are doing it that way, acting like they are stupid for doing it that way. If they don't think they should be doing that way, SUGGEST that that way may not be the best way, but ALSO answer the question saying, "I suggest doing this instead of that because I THINK it will be easier because of this and that. But if you want to do it that way, you will need to do this and that." Learn politeness. Don't be a jerk.