It's very hard to explain ( at least for me ).
It must be "unreasonable/absurd/incongruous/etc." enough for you (even for me), but it is. Also not so many people try to tell you about these very important/ delicate topics, I think. Therefore I believe this thread is very important.
Related threads might be
Usage of 二人称の人代？
Bored Japanese Ranting ^_^
Feminine and Masculine Japanese
Related articles by clay-san.
The Various Degrees of Politeness
I, me, you, thou...
Everyone appreciates politeness. A smile, a few friendly words, a show of concern, an offer of help - gestures of kindness like these brighten our days.
Just as we appreciate other people being polite to us, others appreciate it when we are polite to them. That's why it is important to learn to be polite, because it will help make our relationships and interactions with others more satisfying and free from problems.
But it is not always easy to be polite and respectful. Somtimes we are caught up in our work and responsibilities, being polite and kind are the last thing we feel like doing. Tjp is such an awesome place as we, not only learning the languages, but manners. Practising politeness is like playing the piano : the more you practise, the better you become.
May this thread help to bring us peace and joy as we learn .......