You have given great examples and details here. Don't be surprised the mods ask you to check to see if you are on wired connection or wifi because that makes the difference. Oh power cycle the router lol lol. The game is broken , they cant fix it because it takes time and resources they don't have or want to allocate.
I would like ea to stop lag compensation that helps weaker teams .That is one of the real problems. It is bad enough playing your opponent, you should not be playing against the game as well