no they are not profitable
if they are not profitable then why they still operate, and why people still open them and even offer faucet creation as a service

peoples are doing 100+ faucets per day...which means a lot of hard work...and peoples who opens faucets are generally getting the ad revienews
Yes using a faucet rotator, you can use 100 faucets per day and get 0.002 - 0.003 per day with hard work