I just choose to no to respond until they come to state what they want. Some are offended but otherwise I'm stuck forever. Teams has it solved much better with

I just choose to no to respond until they come to state what they want. Some are offended but otherwise I'm stuck forever. Teams has it solved much better with a visible "message read" indicator that can be somewhat managed on the reader side, i.e. if you only see the notification it does not count as viewing.