I don't think this is how people usually communicate. Referring to a group without a qualifier refers to the majority, or all. Consider the following sentence:

I don't think this is how people usually communicate. Referring to a group without a qualifier refers to the majority, or all. Consider the following sentence: "Women can't code" Not only is it true for a substantial portion, it's true for the majority of women (and men, for that matter). But would you criticize those who object to the statement?