Perhaps they do it because there are so many abusers on their site, I saw so many people sharing about tricks to abuse this faucet by having so many accounts with 1 device only.
P.S : I could be wrong on this.
It was because they have lost their adsense account, but admin has since recovered a new one. The low payouts were temporary until a solution was provided, which it has been. All is back to what it was before the payouts were reduced. For more information regarding freebitco.in, you can follow this thread:
https://bitcointalk.org/index.php?topic=319540.0The admin (
wetsuit) is pretty active there.