It sounds like your startup was unfortunately an outlier with respect to the level of dilution experienced. 99% dilution over 6 rounds is far from 'usual reality'. More common is 20% dilution per round.
You've only got one lifetime to pull the equity slot machine, hoping that the reels come up all sixes.
[0]: 0.02*0.8^6*$200,000,000 = $1,048,576