Balancing the mechanics is hard. As Jim the creator of ZE and ZE:SH says:
Bold emphasis mine. I do think with Safe Haven, Jim learned a lot and in the future, I imagine some things will be done differently but only he can say for sure
With all this and above said, I’d like to link a very important resource for everyone:
These official guidelines are essential background to check out when designing mechanics because CoG goes over a lot of ground to help its authors succeed.
I still can’t find my old posts on the topic, so I’ll have to edit in my past statements once I do.