Arguably garbage collection is a huge boon to productivity though. I agree about the first two, but I think the whole memory allocation debate is too contextual to be an issue in the general case. Big projects tend to have customized memory allocators which make most benchmarks usefulness dubious - that and reference counting can be nondeterministic too (you deallocate an object triggering a huge chain of frees).
Even a cascading deallocation is still deterministic. It’s true that it doesn’t have hard latency guarantees, though (and true GC with hard latency guarantees is arguably more useful in many cases).
