the intention is good, but it must be in such a way that the rival does not see it
I do not use control groups in the buildings and to control which building I want them to occur, some time ago I suggested that the production of a building can be deactivated, in the secondary panel, in this way it cannot be activated by mistake, like the secondary panel that Mongolian buildings have.
They made me see a good idea that this could serve as a garnish, so I also suggested that activating that also cancels all the production that was queued in that building. I will be patient in waiting for that according to the list of priorities that the game has