From context you seem to mistaken him for Gorbachev?

That’s Jaruzelski though, and his fault is that he did not shoot the counterrevolution.

Declaration of martial law was a good move though, it helped preserve socialism in Europe for a few years more, since solidarnosc riots was sponsored by USA to check the Brezhniev doctrine, and martial law made this bid fail, so they needed to wait for perestroika.