One thing i must admit...I strongly dislike bendy toys outside of the Other World Arco ones for some reason.
There are a few from long ago that I like but for the most part Im with you on that point.
It seems like all bendy toys have those small little holes in them. I wonder what they are for? Maybe to fish the bendable wire into the plastic mold? IDK but I think I just answered my own question with a question.
You know I ask my Dad the same question when i was really young and he told me it was to relieve pressure on the plastic so it bends instead of tearing, I dont know if that the right answer but it work my my child mind.