Soul reapers can't target gunships with their main weapon

Is this because altitudes were changed? I remember them being able to do it.

So? Was it always this way? Kinda makes them very weak against gunships. I just tested it to be sure: they can target wailers only with their weak anti-air weapon, while wailers attack them as any other gunship

was always like that
and afaik considered to be intended
Edit: it was like that in Supreme Commander non-FA too

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