Why is there gatekeeping of "professional" repairers and "repair services"? Why can't I as a consumer view a service manual and buy a part? If a washing machine costs £220, and a professional repair man costs £70 per hour, nobody will repair out of warranty.
Because it is these professional repairers lobbying for the laws. This sort of thing always aims to get the law to identify some kind of professional certification needed to qualify, and then that certification gets more expensive and limited (eg. by saying studying a specific course is needed, but only X thousand places are offered per year). Eventually, people who have done that course and qualification get so expe…
(Contemplate an "open-source" license where the source is provided upon request, to government-licensed software professionals, and otherwise unavailable. We'd be living in this world if history went only very slightly differently. You can't invent that (FOSS) kind of radical sociology after the regulators catch up to you—let alone expect regulators to invent it for you).