Lech Kaczyński's tragically ended presidency would have restrained some of ...........thanks to his veto power.
Nope, since every indication is that he was about to lose (badly) the election that year, even assuming he didn't have to leave office earlier.
I wonder if you consider online activism (after all, the topic of this thread) in Poland to be a "hair-brained scheme". Interesting which other parties use it.