It could be that there were no "oopsie" messages coded into the system and they didn't have an easy way to send a newly written message out. If it's designed to

It could be that there were no "oopsie" messages coded into the system and they didn't have an easy way to send a newly written message out. If it's designed to be used with canned messages, it might take some time to work out how to put a new one in...