One more thing you might've missed, that is the problem of level scaling. It's not that the progress disappears, but to the player it appears to be going backwards. Like whenever you level up, everything around you levels up too, but your gear is the same. Unless you get better gear, everything arou...

There are several cases where something in factorio can be destroyed: 1) Weapons (duh, that's kinda their purpose) 2) Biters, well, that's a game mechanic 3) Collisions, yeah, same thing basically 4) Mining production facility before it's done with current recipe, or if it has active fuel in it. Thi...

But as you said, it has non-combat use, so it should be possible to get it in non-combat run without using Military science Everything has a non-combat use. The question is whether it has a significant combat use. What non-combat uses has a normal armor? What non-combat uses has non-explosive weapo...

The point is, that if you need the research and choose not to do Military Science (which was Developer's intention, that Military Science should be purely optional and not needed for a world without biters), then you should have everything non combat available. But you can use power armour for comb...

Personal roboport is almost unusable without the reactor. All kinds of stuff is completely unusable without the right research. This is literally complaining that you don't want to do the research on what you want, but you still want it. The point is, that if you need the research and choose not to...