Not sure about this one example but working in the industry and following the development of wing sails the ones I’ve seen will fold one way or the other. This example in the article is probably a prototype or even experimental implementation to test the efficency.
Examples of folding sails in development: https://www.theoceanbird.com/oceanbird-wing-560/
Not at that time. That came after the us government pushed the swedish government to do something and they in turn “strongly hinted” to the swedish judiciary system that they better do something.
And finally the sentencing judge socialised professionally with pro-copyright lobbyists.