Meme coin must be useful for people and must have a big community of users only in such cases the meme coin will be able to survive.
For meme coin promotion and support of community is important. Doge is the popular meme coin and many people support it.
Doge has survived in the market for more than 8 years, I used to often trade doge at Poloniex, a strong community is the key to Doge can last until now, maybe many say Doge and Meme Koins are useless but a strong community makes it very useful.