The drone war will be quite limited by chip production.
And once the chip fabs have been bombed, civilisation is set by by decades, and may end up fighting a lower-tech war.
And once the chip fabs have been bombed, civilisation is set by by decades, and may end up fighting a lower-tech war.
Beyond this, if you start attacking neutral fabs you lose out on anything from them. Your expectations are quite a bit off if you think striking fabs stops a conflict.