currently being tested
They’ve been “testing” it for more than a decade at this point and even if Russia is able to actually bring the T-14 into service, they won’t be able to produce any significant number of them for the same reason their tank corps isn’t using many T-90M right now.
pure garbage
Go look up Operation Desert Storm and rethink what you wrote there.
If there’s anything here that’s garbage, it’s your notions about tank design.
There is your answer. draw.io can be used by everyone and for almost every purpose, so the situations aren’t even remotely the same.