In theory it prevents failures of the allocator that would allow reading uninitialized memory, which isn't really a thing in Go. In practice it provides a stra

In theory it prevents failures of the allocator that would allow reading uninitialized memory, which isn't really a thing in Go. In practice it provides a straightforward path to complying with government crypto certification requirements like FIPS 140 that were written with languages in mind where this is an issue.