Nope, not at all!! Both the Germans and Americans are actively investing in newer guns and ammo just to counter the Armata!! Where the hell have you been living - mars??!!
It IS finished and has just entered serial production. Of course, as a brand new design, there are bound to be more than a few teething issues but they will be resolved in dew time.
yeah, there is a lightyear of a gap between pursuing and actually succeeding, kid and their performance with armored vehicles so far does not instill much confidence at all. Forget about tanks, motherfuckers can't even come up with an APFSDS round that can pen over 500 mm RHAe at 2000 meters for crying out loud!!
Yeah, we'll see who gets reduced to crying and coping soon enough.