Okay.In response to your contradictions part, With Thermal expansion, it's the higher tier machines/items that require the 'machines to make machines' type crafting, but for all the earlier game parts of it, they do not.
I think you might be confusing IC2 and GregTech... In IC2, there's only one machine that can help you make early game machines, and that's the Metal Former. It saves 7% of the cost of iron plates.That's what is different about TE vs IC2 machines to make machines, the early game machines require other machines or pay a resource cost penalty in IC2. whilst in TE it's used as a balance point for high end items only, and not too much either, it utilises machines you would already have (provided you started with TE) and adds one or two machines.
If I spend 100 iron on something when using hammers, I could save 7 iron by using a metal former instead... This is in no way something you have to do. You could easily build everything in IC2 without using one.
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