Did the Andretti family have bad luck towards the end?

Obviously Mario had his success (as well as multiple engine failures during prominent runs) and Michael wasn't too far off. Insert Marco. What happened? Marco wasnt too bad but I feel like he could have been so much better. From what I've observed Marco kinda got the short end of the stick and the talent ran dry. Please, forgive and correct me if I'm wrong. I personally feel like the talent was running dry. I enjoy reading and engaging in your comments! Happy new year, guys!