Then just say fuckin „hi“. Wtf do you need this stupid dancing around for? How is it considered normal to ask an ingenious ingenuine question and answer with a lie? How am I the weird one in this scenario?
I studied anthropology and the intricate rituals of the various neurotypicals for this very reason. The answer depends on what your culture determines to be weird, because usually we're considered differently weird different places.
It's just a magic constant embedded in the standard conversational header, referencing an obsolete firmware version, but most users never update the client package so you have to ack it or you get undefined behavior.