Meme coins raise even more than other coins and tokens. But when cryptocurrency market falls meme coins falls more too. Meme coins are very volatile.
Now meme coins are hype and they raise in price even more than other assets. But after the raise will be a fall of the market. That is why meme coins are so risky.
Hype always attracts a lot of attention. Meme coins just use this attention and the high interest to them. That is why they are so popular.