Miers wasn't.
No one went through her video rental records.
How hard is this to understand?
You are absolutely right.
Nobody at all criticized Bork's qualifications. Everybody knew he was intellectually perhaps the greatest legal mind of his time.
Since his credentials were impeccable, they were forced to "bork" him, by smearing his intentions.
Nobody did that with Miers. Her credentials and background were what were criticized.