One thing I'm noticing about some of you new & enthusiastic (and very welcome) iRacers is that you're moving up the "ladder" pretty quickly.
While the licencing system allows this (for commercial rather than entirely sensible reasons) there's a reason why cars like the Skip Barber are recommended for an extended apprenticeship... it takes time to settle into the kind of habits required to survive and thrive on iRacing.
Personally I tried a lot of cars throughout the service before realising I just don't have the reaction times to drive fast cars like the Radical well. I enjoy them, and think I could race them as "successfully" as many people... ie I could crash out of 50% of them despite being slow! But that's not the kind of racing I want to be a part of. So I stick to the Skip, where I know I can complete a race without incidents as long as I can avoid the inevitable foolishness which always goes with racing against randoms.
The seriously successful drivers on iRacing all race sparingly, but practice a lot. It's up to everyone to find their own balance, but it's inevitable that the more you practice, the more successful your races will be. And if you do a lot of your practicing during races, then your stats and satisfaction level will struggle... as may your reputation with those you drive with.
Patience is the key on iRacing. That's why the initial project only promoted you at the end of a full, 13 week season. It was lousy being locked in one car for so long, but it taught you valuable lessons.
Now even Rookies have quite a bit of choice about what to drive, and fast track makes it very easy (once you learn how to play the progression mini-game inside this sim) to push yourself beyond your current limits.
Think of it in management terms... everyone ends up getting promoted to their level of (current) incompetence. That's why all levels of iRacing -- from Rookie to A -- are afflicted with more idiocy, or at least carelessness, than you might hope for.
Anyway, you didn't ask for a lecture, and I could have summed it all up with one sentence: "Race less, practice more;
much more!"
PS Despite its popularity among a subset of UK&I drivers, the Radical has always been a fun but tricky car, hence its relatively small pool of drivers. The Star Mazda is a much more forgiving drive unless you insist on trying fast, low downforce setups.