Polymarket secondary on Crowdcube

Is anybody considering the secondary Polymarket is running on Crowdcube? They reported $10B in volume and they are raising at $15B valuation. With a 2% fee, that means $200M is revenue which means a 75x P/E, which is high. But world sport betting market revenue is $300B, that is 1500x their current revenue. Plus the pre-IPO betting on private company they announced last week could be huge It seems they raised very little (under $600k). A potential concern is that they are offering series B prefe