I'm really happy for the author's success, and I don't at all think it's a bad book. But I found it to be basically pure "survival porn". I like MacGyver too, but I don't think I could watch a four hour episode of it, and that's what the book felt like to me.
The characters and writing are solid, but the constant peril and clever solutions just got tedious after a while.
If you "How is he going to get himself out of this?" is enough to keep you going for an entire book, you'll probably love it. But if you need a bit more than that, it may lose your interest.