Enforcing policies

Answer: The best way to convince people about the implementation of policies and information security is by presenting them how this implementation will help them and what may be the consequences of security compromise or policy non compliance. In a general way the benefits are:
- Fulfilment of legal requirements your organization has to follow
- Improved processes performance
- Reduction of losses due to information security incidents

As for negative impacts of non compliance you can mention:
- Legal actions
- Payment of fees
- Rework
- Loss of public trust

This article will provide you further explanation about ISO 27001 benefits and documentation development:
- Four key benefits of ISO 27001 implementation https://advisera.com/27001academy/knowledgebase/four-key-benefits-of-iso-27001-implementation/
- Seven steps for implementing policies and procedures https://advisera.com/27001academy/knowledgebase/seven-steps-for-implementing-policies-and-procedures/

These material will also help you regarding benefits presentation:
- ISO 27001 benefits: How to obtain management support [free webinar on demand] https://advisera.com/27001academy/webinar/iso-27001-benefits-how-to-get-management-buy-in-free-webinar-on-demand/
- Why ISO 27001 – Awareness presentation https://info.advisera.com/27001academy/free-download/why-iso-27001-awareness-presentation