The Benevolent choice to this event does not apply the Diplomacy boost.
<ScenarioTrigger>
<InternalName>LifeSupport_MegaEvent_BenevolentResponse2_Trigger</InternalName>
<StartEnabled>true</StartEnabled>
<Trigger>
<OnEvent>OnConversationResponse</OnEvent>
<CriteriaInternalName>LifeSupport_MegaEvent_Message_Response1</CriteriaInternalName>
<Target>
<TargetType>Faction</TargetType>
</Target>
<Lifetime>Target</Lifetime>
<Modifier>
<EffectType>Diplomacy</EffectType>
<Scope>Global</Scope>
<Target>
<TargetType>Colony</TargetType> (If I change this to Faction, it works)
</Target>
<BonusType>Flat</BonusType>
<Value>9</Value>
</Modifier>
<SourceDisplayName>LifeSupport_MegaEvent_Name</SourceDisplayName>
</Trigger>
</ScenarioTrigger>