It is too sad that almost all casinos that offer faucet is having troubles with faucet abusers, it is really a shame because most places for example started to remove or already removed their faucet since it did more harm than help them.
You can't blame them (casinos) for removing that feature, as you've said its being abused heavily by those who knows how to manipulate the system. Whats funny is if this people can send that loophole to the developers of online casinos, they can earn bounty for that.
The idea behind faucet wasn't to get people earn money, it wasn't even really just help the poor people feel like they gamble neither, it was to show people what type of website a casino is and get them to play and see and if they enjoy the faucet part of the deal, they might also deposit as well. That is the real reason why faucets on casinos really first started.
Agree and its not only for that reason, like for myself who is with Bitsler for a long time and I use their faucet before it was taken down. Most of the time I use that feature so that I can still continue playing even when I don't have enough funds. You know how it feels when you run out of funds and yet you still have that urge to play. Use that function and keep playing but don't forget to add funds to your wallet and not rely on faucets only.