Statistics show that around 90 percent of Poland's top military brass have either been replaced or left of their own ...
That is actually a very good decision if that is a conscious decision to clean out the officer crops from the soviet layabouts and surplus generals taking money for being useless pen pushers. Good job Macierewicz.
"There are concerns among allies"
Those unspecified concerns are just news pulled out from someone a...! I don't believe for a moment that any serious official in those NATO countries that count, had any thing to say on the issue either off the record or officially.
Read your link. As I have thought, an article written by Poles ( biased) all those experts are either Poles connected to the previous political party or one Jan Techau a German experts on the European Union integration and foreign policy, transatlantic affairs, and German foreign and security policy.
Connected to The American Academy in Berlin which is in fact founded by grand from Germany and American Germans is a lobbing stratagem of the German state. Kind of a window into USA.
The fact that some German experts in the accord with some German lackeys in Poland are firmly anti-PiS is nothing new. That is a propaganda war at it finest.
If you want to know what's what - ask uncle Ironside.