Legitimate coins have a high reputation, won't hurt in fact they are more likely to slowly rise in the market, are usually more transparent and have very real uses, which is why such coins don't disappear quickly in the market.

There are some coin memes that don't pay attention to this, so all they do is pattern profit, basically they don't pay attention to the level of trust people have in investing in the coin, it will eventually continue. labeled with bad coins and trash.