Nope...
US has the system it has because it is adequate... They have sat around told everyone for centuries how they believe in democracy instead of making it any better...
European Countries have 8+ parties to choose from, US has 2... Yep the country that told the rest of the world they need competition, have 2...
Ireland has amended it Constitution 14 time since 2000, US last real amendment was in 1971... the laws are increasingly being made by Judges selected by those two parties...
But don't worry about the politicians, they are just employees for lobbyists.. A vast amount of that money comes directly or indirectly from Corporates... And the saying goes, those who pay the piper, calls the tune...
Meanwhile, US people are fighting among themselves while getting a daily news feed from their own faction.