The problem is, since you never played something beside soviets you never learned how to dodge molotovs. Because it's exactly the same with the flame grenades. All team weapons have problems against DOT flame weapons. The problem is poor Boris runs into the flame soup instead of teleporting the maxim to the next guy.
The Maxim simply doesn't suppress units fast enough. A OKW squad can run straight at them across an open plain taking shots the whole way and still throw the nade 100% of the time.
The Maxim crew issue is also a major issue that you addressed. That should be fixed.