When setting ai_controllable to false for the biter forces, it doesn't prevent unit groups from being created by the vanilla AI for attacking pollution.
Creating new spawners and expansion seems to be correctly turned off when ai_controllable is set to false.
Unit group formation should be off as well according to api docs, but these still get formed and attack pollution.
Attempted killing all biters after the toggling of ai_controllable similar to setting peace mode and still no luck
[0.14.18] [Oxyd] ai_controllable and unit groups
Re: [0.14.18] [Oxyd] ai_controllable and unit groups
Fixed in 0.15.