" “If I had my way,” Judge Bender stated..."
He doesn't have his way. What constitutes an "activist judge" is completely subjective.
Kagan has replaced a Liberal Justice, Justice Stevens, who ruled on the minority side of McDonald v Chicago, so the makeup of the court will not change.
When Kennedy retires, that is where people should be preparing to stand up and demand a Justice that is pro-2nd Amendment (subjective). Ginsburg will likely come up before Kennedy, and she will surely be replaced by a liberal Justice like herself, as she should.