Ogh, I am really sorry, if it was upsetting to you. I am sorry, please, don't treat my message as offensive one. I've just gave my appraisal. I didn't expect such comprehensive answer. But if it takes place, it is really worth to discuss.
Sorry, what about micro-thread, that I created? It was very simple question, and I got comprehensive answers in two sentences.
Thread is following: https://forum.openwrt.org/t/mwan3-and-ipset/