They are not successfully communicating with others, as the majority of people expect Open Source software to grant you some rights that the software in question doesn't, which is why it's misleading, or in other words, wrong.

You can use your words in whatever way you want with whatever people you want, but can't deliberately ignore the widely-adopted definitions because "language changes" and claim everyone else is wrong and your microcosmos is right. Wake me up when language actually changes (i.e. when the majority adopts the new definition) and then we'll talk.