If there was no cap there'd be a scenario were the only team in the comp who regularly posts a profit, the Broncos, would simply spend all their money securing the Queensland origin team. Because they are so well run they'd be able to do that year in, year out. With broncos winning the comp pretty much every year you'd get a badly run team, let's use parramatta as an example, spend more then they can handle signing big money deals trying to keep up. Even with the cap in place parra have made some really dumb choice in the last few years (big money signings like Poore, lussick, Sandow, hopoate, watmough and despite him being a great player it seems as if they've overpaid on foran). Without a cap parra are very likely to run themselves into the ground with mis-managment.
So we'd have broncos winning most years, probably roosters and souths challenging evry other year,.clubs like parra and tigers running themselves into the ground, crowds would be way down on what they are now, tv viewers would drop dramatically, tv money would stop flowing into the game, so the flow down of money to lower levels woukd cease to exist, and the nrl would only run for about 10 years max before the whole thing collapsed. The salary cap not only brings balance to the playing talent (every team except the raiders have made the preliminary final in the last 10 years) but it also keeps balance of the comp in general.
