Bitcoin is not a valueless coin. It has a great value and demand. We aren't able to earn bitcoin by doing nothing. People are seeking to get it free but in reality, it is not possible. We have to work physically or mentally to earn it.
Yes more people believe it now earning free bitcoin is impossible if you don't want work hardly. From here we can earn free bitcoin by participating with Signature campaign but for that we need to be efficient and gain a lot of skills about this crypto market.
Earning free bitcoin consumes most of your time, just like sharing airdrops from your friends, it's not really a free as you are doing market with your friends and to most people, so you are still working on it but in return will just give you few bucks for this, so let's not just stick on it everyday, rather find other ways to earn money so your time will be worth it.