Racing drivers get replaced all the time for not winning. No team is keeping the bottom of the barrel for the long term. This is a game. This isn't the real world. This is a game like any other game you play. The idea is to progress. Not finish last on the easiest settings so you can win your car. Also one of the reasons why FM isn't doing so hot, the monotonous career that has no sense of progression and is a purgatory of races that in the end, you have accomplished nothing. Gran Turismo you have to win. You have to pass licenses to progress (let's not get into 7, that's kindof a mess with licenses). It's about being able to show or be proud that I golded all this crap. You have to win races to get prize cars. You have to win Missions to get prize cars.
Where along the line did anyone think, "let's not do any of that", and that was the right decision? I can understand people with disabilities. And the game caters to that wonderfully. We've all seen that. However how has the common denominator for the whole game been brought down to people who would be struggling with disabilities in the first place? I fail to see how it's ridiculous to have to place in a podium finish in a championship to progress. Even with the different AI difficulty levels. There is next to no replay value for any of these career championships whatsoever. There might be if I placed 4th and I needed to be 3rd or higher.