I guess the question is in which way dangerous?
It might lead for crash for sure, but is that crash controlled? If it is, then it is just a crash. Stability vs. minimal attack surface
But I agree, this is just bandaid for lazy bois. Better use Bazel etc. for distroless builds
This is dangerous in that it strips assets, resources, and files from your app without understanding how they are used.
If you forget a critical code path when you build using Docker-Slim, and a resource file is not used, that resource will be stripped. The feature which depends on it will be broken in production.
But I agree, this is just bandaid for lazy bois. Better use Bazel etc. for distroless builds