I just meant that if a tool/lints have proven to be useful, why not internalize them into the compiler? This way the compiler has a marginal increment of maint

I just meant that if a tool/lints have proven to be useful, why not internalize them into the compiler? This way the compiler has a marginal increment of maintenance effort but can remain flexible, change its internals at any point. It will also benefit users who for a multitude of reasons only want/need to use stable.