What sort of political disfunction would motivate people to adhere to even the most unpleasant government?

Answer: Anarchy

Explanation:

Anarchy is defined as dysfunction that occurs due to lack of authorized bodies for governing. Society is considered as free-body association having no particular law which is known as stateless society in which people collaborate as volunteer.

In this type of system no policies, legal guidance, order and regulations are present for governing the society which can lead to formation of unpleasant society.