The base reward is equivalent to $0.002 from the hourly faucet. Mathematically, 1 satoshi will be equivalent to $0.002 if the price of Bitcoin reaches to $200k. But we will start getting 1 satoshi from the hourly faucet if the price of Bitcoin reaches near to $135k. But your case is different.
I might be missing something here but I think $150k will be the point that $0.002 gets rounded down to 1 sat. However what I was really trying to get at is the $200k is the point it negatively affects us by making the minimum payout more than the $0.002 it is costed for.
You are getting less than the actual base reward. Generally, Freebitco reduce the faucet base reward for those users who claim the faucet always to gather free BTC.
For clarity, it isn't "users who claim the faucet always" but rather users with a low ratio of wagering to free winnings that get the low wagering reduction. You do bring up another point in that 33.5% of $0.002 will become 1 sat at a lower level of BTC price which will reduce the effectiveness of the low wagering reduction. Whether or not we need to do anything to counteract that effect will be something we have to consider if/when it happens.