The elite bowlers are thriving. They make more than enough money to pay for their new balls (for the few that don't get them for free anyway), their travel expenses (nationals and other tourneys), and so on. The regular casual bowler just shows up to league for fun and many of them use house balls or balls that are several years old and in some cases not even drilled for them. The ones getting squeezed are the ones in the middle class. It's hard to improve and take that next step to get to elite unless you can afford (and have the time for) practice time, lessons, new balls, ball maintenance, etc. In many ways it mirrors society here in the US as a whole.
I'm not knocking the elite - they deserve what they get for putting in the time, effort, and money. I'm just making an observation based on what I've seen. Maybe others are experiencing something different.