It's healthy for states with aspirations of EU membership to acquaint themselves with EU institutions and their requirements.
Since the UK joined the EC before the Copenhagen Criteria were developed, Britons must familiarize themselves with the accession process and understand the changes the UK would need to make to join the union.
It's not an easy process: it requires hard things like a written constitution and a non-hereditary government.
https://enlargement.ec.europa.eu/enlargement-policy/steps-towards-joining_en