Many people predict the future growth of the cryptocurrency market. So they may much more attention to the meme coins. That is why they are so attractive now.
Meme coins are actively used for speculations and market manipulations. Many people try to earn money on them. That is why they are so popular and in demand.
A lot depends on promotion but promotion costs money. Many people are actively buy meme coins because they popular and in demand. Many people prefer to use meme coins for speculations.