The point is: some languages have capabilities to take some classes of errors out. A language with GC and heap-allocation only makes it hard to get access-after

The point is: some languages have capabilities to take some classes of errors out. A language with GC and heap-allocation only makes it hard to get access-after-free-style errors. Languages with bounds checks on all elements reliably crash (throw an exception) instead of showing "random" behaviour on bad reads. Of course all of that comes with a cost, but for many domains that works out ...