I know of faucets... Easy way of earning BTC when I started my journey in the crypto space... But currently I don't think faucets are still in existence...
It may not have to be Bitcoin earnings alone, but any little fragments of crypto as rewards.
Faucet are not in extinction, just that people no longer have interest in going after them as before, being that it's a little reward that comes along with hunting after it, this also make it more suitable for the newbies to be the ones that seek after going for faucets, but you will hardly see an experienced user on this, to some it's nothing than a waste of time.
I think you’re referring all this testnet faucet which in bitcoin it is now rebranded as tbtc but the real bitcoin faucet that was bitcoin itself before which was giving out for free although very small to help or encourage those using the coins related services. Then the price of this faucet like bitcoin has heavily gone up which simply means the faucet becomes expensive too. Before the were even some platforms who usually give out this faucets but not anymore. Only what you see now is testnet faucet which is the tbtc i said earlier.
This days you rarely get rewarded with faucet or we simply say satoshi without having to do lots of tasks which requires spending also, the only platforms that you can earn is vouchers on exchanges and this too aren’t even faucet but actually reward multipliers or vouchers to be used for trading and only the profit are withdrawable so we can as well consider faucets to be in extinction