Well, whoever came up with the patent was trying to help. Didn't end up being practical, but then a lot of things tried in 60s didn't end up being practical. We

Well, whoever came up with the patent was trying to help. Didn't end up being practical, but then a lot of things tried in 60s didn't end up being practical. We thought we would find some use of going to the moon, found out it's just an empty piece of rock, do we dump on people for trying? Actual thing that worked? Pulling baby out with a vacuum cleaner more or less, done all the time and beats other methods like forceps or letting risky labor drag on. Probably many rolled their eyes first hearing of that idea.