Many ALTS have NO value: Maybe the market will correct to this fact of life.
As an example Tron was built on hype and has a huge marketcap: I am using this as an example regarding hype and overpriced!
You hit right, some are just a duplicate of other past projects, so if you are newbie here you will notice this, but if you are an old investor or bounty hunter you will notice that some are just creating a project that is not attainable at all, too good to be true so it's important to know who are the team behind those token/coin.