Let's put it like this, there are many ways to build a house, but you don't see a builder without at least hammer & nails right?
One day you see another builder with a nail gun, do you ask the builder about the machine or do you keep building a house using JUST hammer & nails?
After sometime, you see another builder building a house without using nails at all
After sometime, you see another builder 3D printing a house...