It's a good way to hire someone to trust you as a Powers Of Attorney when something happens. Not only that, but an important decision is needed; a Powers Of Attorney will ensure that your wishes are fulfilled.
A General Powers Of Attorney can be used to appoint someone to make legal and financial decisions for a period of time. Essentially, an Enduring Powers Of Attorney will be able to make decisions where the capacity of the employer is reduced.
https://www.jacksonlegal.com.au/services/powers-of-attorney/