Some people trying to stick with things they read online since what they think its good working strategy for them, but realize later on that everything is not applicable to all especially if they fail on their strategy or decision made. With this experience come out and those who experience the worse really think about those mistakes they made and learn from it that's why some create their own perceptions on what to do next and it helps to create more better movement to get higher success rate to gain for next investment they made. Adaption in every situation is important since from this we provably know how we can deal with the risk and take advantage with it.
Everyone will not succeed on this since lots of people will quit and those who became successful is those who can adapt then still continue to try those risk because they are eager to learn.
You are very right many people try to learn about trading by reading various social media and books and enter the market with capital but they should have adopted some strategy like starting with small amount. Every person's problem type is different and he should invest accordingly while an investor does a lot of research before entering the market it will definitely be positive for him if he can utilize his own capital properly. Basically the strategy is to select the right currency and keep buying it periodically and holding it regularly.
Yes, not everyone can be successful in investing, but if an investor can arrange his portfolio according to his environment, he can be successful. Longer term investments should be more focused to minimize investment risk.
If someone is new to learning trading, it would be better for them to first try to start trading by using a small amount of capital first and this will certainly help them to understand trading slowly and after they can understand it well, they can use capital according to their ability to bear the loss when they fail.
Conducting in-depth research first before entering the market is indeed the right choice to be able to make good decisions about the investments they make and this will certainly give them an idea in choosing the assets they will invest in and choosing to survive in the long or short term, choosing to survive in the long term will certainly be better if we choose the right assets, of course there will be benefits that can be obtained.