Luckily, no...never had a problem, but I was always afraid until I went with cooled units. I went through a spell of freezing the imports, but in retrospect I should probably have not done that. They seemed to smoke just fine, but looking back on it, that's a lot of stress to put on a box of smokes. Just an opinion and I have nothing to base it on except anxiety!
Living in the hot and humid south, desktops or room temp cabinets just don't cut it.
The pics I've seen of beetle damage are pretty scary!