Not that I can tell. Maybe they're afraid they'll hurt the Pokémon.

[He rubs his chin, brow furrowing in thought.]

Back when I had a Dugtrio, I tried pulling it out, but it just wouldn't budge. Add that to the fact that it hit me with Earthquake later, and I decided to steer clear. Still, you'd think they'd at least find some other way to handle it. Maybe go under the ground and try to examine it that way.