Nice work!
Somewhat related, if you ever have the opposite problem (not enough in your freezer to make it worth running), you can get sheets of foam insulation and cut them to fit. I filled up the unused volume in my deep freeze this way and now use it for what I need without worry.
Meaning the real victory was the lifelong immunity from IRS investigations for his family and businesses. The fund was so outrageous they probably never expected to get it through, but it was a useful lighting rod to draw attention away from what he really wanted.