Good catch, this has now been nerfed and this approach has gotten its own title
Drop it in a 43-foot hole in the ground
Bury it completely, rocks and boulders should be fine
You’re setting yourself up for a supply chain attach here if you trust whatever rocks and boulders are sitting around. A well resourced adversary may have placed power supply boulders and wifi rocks in your back yard.
Tomorrow is a new day.