No matter the situation around the world ,Poland needs to modernise it's armed forces becouse of necessity.We have a big gap in our equipment which we have to replace ,simple as that.
LAW 80 is supposed to penetrate 700mm of rolled homogenous armour at 90 degrees so maybe he could use Panzerfaust 3 non tandem warhead.
http://norfolktankmuseum.co.uk/law-80-light-anti-armour-weapon/