Thank you for letting us know your reasons, that's very considerate of you.
It is an awful big world out there and we here are mostly just like ships passing in the night.
It has been a pleasure reading your contributions here.
None of them ever threatened to make my blood pressure rise.
Even if the OP doesn’t agree, an acknowledgement of someone/anyone’s efforts could/should be noted,
Yes, you're right, a little more politeness is never a bad thing.
I'm sure your decision was not lightly taken but you always know where we are.
Best of luck with any health issues.