It's obvious, just to make money. They don't care if their token has a utility or not because all they want is to grab some cash.
This is why they say, always DYOR before you invest your money in anything.
The recent rug pull of Squidcoin is another big warning that we should always believe in the hype, always check the project what's bringing to the community and whoa re the people running it and are they capable of doing or following what's on their roadmap, many of these hype coins have anonymous developers and this is a big warning to all of us.