It's not about remembering a user's cookie options. The point the parent is making is that "Reject All" should be upfront and centre along with "Accept All" so you don't need to then navigate extra layers to refuse cookies. i.e. it's just one click instead of many.
However that said the cookie preferences "cookie" can be considered a strictly necessary cookie so that it can be used to remember your cookie choices. This is the UK's Information Commissioner's guidance on such cookies:
However that said the cookie preferences "cookie" can be considered a strictly necessary cookie so that it can be used to remember your cookie choices. This is the UK's Information Commissioner's guidance on such cookies:
https://ico.org.uk/for-organisations/guide-to-pecr/guidance-...