> Is it that the other person wasn't willing to make the effort to type is seen as disrespectful? No, it's exactly the opposite. "Reaction" responses are irre

> Is it that the other person wasn't willing to make the effort to type is seen as disrespectful? No, it's exactly the opposite. "Reaction" responses are irrelevant noise that clogs up the communication channel and wastes other people's time and attention. People don't usually manually type these sorts of reactions because doing so is not often worth the effort. But this feature eliminates the friction, and encourages people to engage in behavior that is effectively spamming.