Industrial Robots only for new buildings

I think I read somewhere that industrial robots were supposed to give a different bonus for different buildings? Might remember wrong though because that doesn’t seem to be the case.
While curiously clicking through my robotized buildings I noticed something else though: Industrial robot factories seem to only deliver to buildings that were built after the robot factory itself. When I click on the robot in its outgoing storage the older buildings remain gray. I haven’t tested high tech tools but they may have the same issue.

Problem is gone now. So either it was patched super recently or after loading a game the behavior changes.

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