Is asking a "yes or no" question a violation?

I just saw in a Comment to an Answer to a recent question where someone said that asking a "yes or no" question is a violation.

Is it? If so, where is this indicated as such in the Community Guidelines or Terms of Service?

2016-01-04T20:15:47Z

This is a "yes or no" question. Doesn't it qualify as "knowledge seeking"?

Anonymous2016-01-04T19:57:45Z

Favorite Answer

No

night-owl gracie2016-08-07T11:33:54Z

Not as far as I'm concerned......

These questions are knowledge-seeking but really don't require more than a simple yes or no:

Do I need a passport to cross into Canada?
Can I use shortening as a substitute for butter in a recipe?
Is the metric system still used in Europe?
Are pythons venomous?
Is there an extra charge for a window seat on a plane?

brian 20102016-01-05T01:11:26Z

No, but unless the question has chatty overtones. That would be a violation if it's reported for chat.

Son of T32016-01-04T22:32:01Z

It is not automatically a violation, but history of the site shows that such questions are usually violations (mostly chat), so they should be avoided. Always ask for some facts in your question.

Them2016-01-04T19:54:24Z

Yes

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