"Replacing EU red tape with red white and blue tape.... "
Yup, Brexit is creating quite a lot of work for some of my colleagues, updating documentation to include not only CE but also UKCA declarations, which essentially have the same contents. So a complete waste of money for the customers, purely red tape. And once UKCA requirements start to diverge from CE it'll get even worse as then we may need two different versions of the equipment. All in all, a pointless waste of money and effort.
Meanwhile, overseas governments are happy to accept European standards. E.g. the Hong Kong government specified them for bin lorries, see page 13 of https://www.dennis-eagle.co.uk/news-and-media/eagle-eye/te-magazine-2020/