Well, your mentioned Coinpot faucets are well known for mostly users. Earning decent money from faucets is very hard nowadays, especiall when Bitcoin price is such high. Completing offers can give better earnings, but for many countries number of offers are very limited. Mostly offers are for people from 1st tier countries. IMO, only way to earn more btc from faucets without lot of struggle - referrals.
Maybe faucets are waste of time for many people, but it can be good for newbies. By using faucets they become familiar with Bitcoin and earning first dollars which they can invest somewhere. Many of newbies starting without having money to buy btc and without skills. Mining requires quite big investment and knowledge, so it's not for newbies. They also can't participate in signature campaigns, because there aren't many campaigns accepting newbies and due to lack of knowledge they can't make good quality posts. Trading can be goid option if they have money for investment.