Some changes simply have to be accepted by the participants en masse and implemented by them manually, and any engineering to try to force such a change general

Some changes simply have to be accepted by the participants en masse and implemented by them manually, and any engineering to try to force such a change generally will fail catastrophically. It's not by accident or mistake that there are no happy, prosperous oppressive police states. Society must determine its own culture, and if that's 'too messy' for those building technology, the consequences will be dire and perhaps they should have not chosen humans as their target audience.