Many new projects don't have solid foundations, the projects are not from blockchain experts like most old projects, nowadays it cost nothing to build a new token using ERC20 and your next door neighbor can even be a developer, it's all about money making this days that's why we need to be very careful around new crypto projects
Most of the time the projects aren't trying to create some new groundbreaking feature so they actually don't need any blockchain expert as you might think they are but it's just their project business model is not really profitable in the long run while most of people who invest want return of investment at some point. These project could just use erc20 token and move on with developing their project in many aspect but usually they failed.
