Not only that time, now some scams are still running smoothly and I saw a project that ended very badly. you can see for yourself. But if you are lucky then a little money will fill your pocket.
As said in the past post, they are in all seasons. Without or with these projects, scammers are hunting the newbies or people who are not thinking of the scheme of the project.
They choose to scam people and run as planned until someone notices them. Projects that ends badly, it's not problem but it's also part of their expectation that there really are projects that have little to no chance of success.