Doughboy

I don't really see anything wrong with that setup. If you're hunting from the ground, you always have issues raising your bow before draw. This keeps your bow upright and minimizes movement. I might get one for spring turkey hunting.

As for the cam in the dirt, it's not like you're smashing it on a grinding wheel or hacking at it with razor blades, it's simply resting on the ground. Some people refuse to treat a hunting rig the way it's meant to be treated. If you don't mind having some mud or grass on your string, and you don't do anything really stupid, resting it on that bipod will be harmless for hunting purposes.

Worst case: every year or two, you'll have to get some string work done, which you probably do anyway.

Trust me, your bow can handle setting on those little bipods without suffering irreparable harm.

Every time you lower your bow from your treestand, your bottom cam whacks into the ground. If you look at it, you'll find dirt and debris bound up into the cam and strings. It's harmless.

I wouldn't recommend it if you're trying to win an archery world championship, but it's fine for filling tags.