Exactly. We want to move away from md5 (and SHA-1) and has been trying to do that for many years now. So we should not use it _even if_ it is ok in a specific c

Exactly. We want to move away from md5 (and SHA-1) and has been trying to do that for many years now. So we should not use it _even if_ it is ok in a specific construction. It adds yet another dependency that makes it harder to remove md5.