I do not argue that you can earn, but it all depends on the ability to choose a project, because many projects or do not succeed or are generally created as a scam.
Most likely, there are no rules for choosing projects that would guarantee success and profit. Every project needs to be carefully considered, but the result is still not guaranteed.
Of course, it is difficult for a newbie to understand such a large number of projects and assess their prospects. but in any case the choice will have to do yourself, and the skill will come with experience.
Yes, now it has become much more difficult to understand the crypto-currency sphere. But those who came to the crypto were once beginners too, but many were able to make good money.