Honestly the diplomacy system has had a lot of bad reactions to the 2.2 update/expansion.
Nothing is worse though than a -250 declined war opinion penalty because you don't want to go to war against a criminal syndicate to remove their corporate offices in a federation member empire because they have a defensive agreement with an empire 3x the size of the entire federation.
It makes no sense; this should not be something relegated to war in the first place; its your empire, just expel them without a war? It should be an entirely civil process that just costs lots of time and resources rather than war.
Also, there should be a cap on how often a federation member can propose a war; it should be capped at once every six months instead of every single month. Not to mention: why exactly does the relationship debuff only go down by +1 per year? Five declined wars takes longer than most games run (250 years) to expire; I am now effectively permanently at odds with one of my federation members because of this weird balance decision.
Edit: Just so I can shut repeats of the same response: Yes, you can in fact shutdown criminal syndicates branches by reducing crime rate, but first off that's irrelevant because we are talking about how it effects diplomacy specifically that a criminal syndicate can have bad relations with your federation member but be giving them a constant reason to try to attack; which in certain scenarios can put you at odds with more powerful empires needlessly over a thing that's easy to fix on your AI allies end; and secondly because it would still be a problem for a megacorp, just with a different sequence of events that cause that issue and unlike the criminal syndicate there is no peaceful recourse.
© Post "Having to declare a war to expel corporate offices is the single most frustrating design decision of this entire update." for game Stellaris.
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