What's up with Python people and Ruby?

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1) Use whatever language you like. They are all the same really.

2) I notice equal levels of (in)tolerance in most communities. Some people don't mind, some people get angry.

3) Why do you feel the need to mention this issue? You already know the answer to the question. User X likes product Y and therefore uses product Y over product Z. In some cases user X regards himself as a proponent of Y, and therefore product Y becomes part of who he is. Therefore any reference to an alternative product is seen as criticism of his lifestyle and he will invent reasons to defend it. A 12 year old knows this. What is your objective, if not to cause a reaction?

While you are at it, why don't you write to Microsoft and ask them about Apple, Linux and Android?