Although those are memes, created for fun but also indicates how important it is to choice potential coins before investment or situation would be same as meme cause choosing and investing money with random altcoins, is not proper way to take entry in crypto market. It is important to learn, analysis and then investment. Although people make mistakes, sometimes big mistakes, sometimes analysis gies wrong but it Doesn't mean crypto is scam. There are a lots of people who make huge from crypto
You are absolutely right that before investing in crypto currency market it is very important to choose good and best project. One should invest after having complete market knowledge, analysis and experience before investing. It is also true that sometimes our analysis can be wrong and the market can go in the opposite direction to what we predict. The market is highly correlated with both good and bad news, good news can move the market up and bad news can push the market down. People are making good profits from the crypto currency market, but for this it is very important to gain experience. Sometimes our trade may be wrong, it is not meant to be a crypto market scam. We do our own analysis and estimation but no one can make absolute guarantees.