I must admit that i've only looked at sample exams rather than actually having taken one but I have to say that I agree with you.
I think Microsoft's exams are changing to be less of a multiple choice guessing game but the Red Hat seem to be the gold standard for certifications. (Speaking from a limited POV)
For now. The IBM sale made it a no brainer for us to migrate off CentOS last year. They 'could' not mess up Red Hat but I'm not betting against IBM's track record.
I think Microsoft's exams are changing to be less of a multiple choice guessing game but the Red Hat seem to be the gold standard for certifications. (Speaking from a limited POV)