Earlier quoted context omitted.
That is not "even worse", that is relatively insignificant. An IM client converting text to smilies by default is standard and easily disabled, or avoided by a different using client. On the other hand, the issue above represents a horrible failing on the part of MSN as a network/protocol. Silently dropping messages without giving error to either party is insanely stupid behaviour, and MSN's done it frequently for as…
Actually, any mangling of the text is bad. It is bad to drop text, and it is bad to change a line of code to have cartoon graphic images randomly scattered (which you, the sender, don't see but only the receiver does), which makes you look stupid in the eyes of the person receiving it. At least dropping a message makes it look like a network error, the other can make the message sender look like an ignorant fool. (I'…
So I'd disagree with the 'utterly useless' aspect.