It's not immature, it's pragmatic. You do have to weigh the benefits of being able to use non-standard tools vs the cost of having not being able to reuse the s

It's not immature, it's pragmatic. You do have to weigh the benefits of being able to use non-standard tools vs the cost of having not being able to reuse the same tooling, linters, compilers, and what-not for all projects. When you have a lot of projects to support, it's rare for the benefits to outweight the costs