While listening to the first IIF, I read "none of this matters, unless it does" on the podcast art and wondered if that was a Jurassic Park quote. And then Jake made a joke about it being a Jurassic Park podcast as if answering me. Weird.
Possibly because one old idle thumbs logo was of severed thumbs. I think. I can't find the image, but I swear they even talked about it on cast.
And a later one suggestive of severed hands (which I only just noticed):