Or, they could research the business climate and laws in a country before establishing a presence. Then feel free to buck established practice, but at least know the potential consequences.
Discovering this Swedish 'quirk' then vs. now wouldn't make Tesla any more likely to roll over to extralegal bullying tactics.
How exactly would it be "bad for Sweden" if Tesla never had entered? Tesla is just another large company. Why would it bad for Sweden if Tesla didn't enter their market because Tesla didn't want to comport itself according to Swedish laws and customs?
The right to strike is enshrined in the Swedish constitution of all things.