What is the most popular plane in the sim?

Agree, I was being a bit too general in trying to point out that millions of dollars are spent every year on buying adds for flight sims. Some of the free stuff HAS been exceptional, key word being exceptional (def: the exception).
As I just pointed out in another thread, the last 40 years of growth in the flight sim INDUSTRY is proof that there will be no shortage of adds being produced. Just don’t expect many of them to be free.