Everyone wants large profit but no wants to search first therefore identifying about the project, its token, raodmap and about its team is very crucial. If you are in willing to get huge profit very quickly then you will not make research so I think such people often makes mistakes.
You see those particular ones that love buying shitcoins and meme coins, no amount of advice you will give them and they will believe you, they always think meme coins is the best coin in crypto space and no matter the number of zeros at the back, they believe so much that it will go one day and become significant like Doge coin, so delusional.
Bitcoin is a good asset and one should keep bitcoin instead of new coins as there are many new projects arising because the creator knows that now it a Bull season and many people will try to invest for huge profit therefore check about the fundamentals of the project if you don't want to be a part of useless projects.
Bitcoin remain the best coin to buy but that doesn't mean it doesn't crash as well, it's just that when it comes to volatility, Bitcoin has less volatility than the altcoins and it has less risk but if you buy at the top, you are likely to gain more losses. Bitcoin is also not as profitable as altcoins but in term of risk investment, it's safer.