several of the left over robot ones either a) say production boost but do social construction, b ) at least one says gain a worker but gives a general. hostile aliens also says boosts production or productivity but does social construction, ghosts/ haunted colony is a third.
genetic mutations event says it will give a celebrity but doesn't, talks about a reality tv show being made.
watchful citizenry doesn't reward the citizens from ideology tree. missionary center choice doesn't unlock missionaries, does unlock missionary center
most of them seem to work pretty good, tho the descriptions / buffs and or flavor text do get clipped to. not sure if this is also because my ui is on smallest setting.
just been playing a few games and it seems if the ai gets a string of - credit choices they will go into negative credits, which will then let them be exploited by buying every ship they have for free. not sure if anything can really be done about this tho.