This article has a very naïve take on a complex issue. It does seem like not all mechanics are on strike, but also appears quite obvious that there is some number of them on strike. Not sure if the author knows much about Swedish unions and how strikes tend to work here.
The transport workers union has announced a sympathy strike, stopping all loading and unloading of Teslas in Swedish harbors, so regardless of one's opinion on the matter, the strike is far from over.