TBH, the warning side of this, I personally do not see the issue for the following reasons.

Morgan clearly states he believed no one could see him after checking the area, so there for getting killed after doing so would lead to belief of RDM.
I agree with morgans stand point of show proof to prove morgans statement WRONG due to the fact players try to get away from warnings all of the time.

As of the "Disrespect" the only thing you seem to actually complain about is being called a "Lunatic" i wouldn't say that is really disrespectful, for example, a lot of people call people lunatics for doing something crazy or stupid(Example not what morgan might have intended).

As of the warning, once you actually showed him the proof you stated you had, he happily removed the warning.

TBH, the warning side of this, I personally do not see the issue for the following reasons. Morgan clearly states he believed no one could see him after checking the area, so there for getting killed after doing so would lead to belief of RDM. I agree with morgans stand point of show proof to prove morgans statement WRONG due to the fact players try to get away from warnings all of the time. As of the "Disrespect" the only thing you seem to actually complain about is being called a "Lunatic" i wouldn't say that is really disrespectful, for example, a lot of people call people lunatics for doing something crazy or stupid(Example not what morgan might have intended). As of the warning, once you actually showed him the proof you stated you had, he happily removed the warning.