I've not noticed any reaction for using either armor or ECM on Weapon platforms.
I've tried repeatedly to test this, and it seems that weapon platforms are just 'destroyed' when their section of the planet is 'hit'.
I find this frustrating, as I'd also like to build medical bays, scanners, and such onto weapon platforms... It'd make them alot more useful if they did protect a certain amount of the surface, and had functions that could be an asset to the planet.
Also, you can't just recycle a single platform... They stack. Kinda annoying when you're dealing with replacing one. Heck, you can't technically recycle one, you're throwing them away. :P
Anyhow, I've got my letter of bugs to send to Malfador
-Crissa
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Crissa Kentavr
Lost Girls