> You will incur a performance and memory consumption penalty using a GC'd language, an in this day and age with RAII and ARC, those are penalties you need not

> You will incur a performance and memory consumption penalty using a GC'd language, an in this day and age with RAII and ARC, those are penalties you need not incur in order to safely, conveniently use memory within deterministic space and time constraints. ARC is slower than good GC.