Yes, this, 100%. I find it very annoying to get a notification popping up on my screen for you to say "hi" when obviously you want to ask me for something...and then you don't ask or say anything else until I stop what I'm doing and say "Hi! What's up?" back to you. After another 5-10 minutes of waiting for you to see me ask "what's up?" and then type out what is up, which we all knew you were going to end up doing a…
Do you just run up to people and ask them a question in person, or do some kind of greeting first?
I don't think it's a bad thing that people share some mannerisms in IM that they do in person. Are you really stressed out? Either way, looking at the world at the moment, what a great thing to have as a huge problem.