So, BP wouldn't allow anyone other than them to inspect the leak and give an estimate of the flow rate, the 5,000 number is "unreliable", but they know for sure

So, BP wouldn't allow anyone other than them to inspect the leak and give an estimate of the flow rate, the 5,000 number is "unreliable", but they know for sure that it is less than before. I hope it's true but mark me down as skeptical.