Still, most of the movies with tight budgets will fail (and you'll probably never even see them). Exactly like one can come from a poor neighborhood and become famous while the rest of the neighborhood stays in poverty.

There's a good Veritasium video about success and how polarizing it is, basically if one person out of 100 (doing the same things) succeed, doesn't mean that what he/she did was the formula of success. Maybe he/she was lucky, but we will still say that doing those steps provide a chance to succeed even though it was merely by chance.

Statistically speaking, people coming from wealthy families will achieve success simply 'cause even if you do nothing more than safe investments you'll still get more profits... You also get access to better schools and in return you'll get access to better jobs and so on so forth