The county didn’t oppose a reopening; if anything, Tesla is being given more favorable treatment because they are a big employer, to the point where the county is turning a blind eye to willful flouting of the law.
The state gave discretion to the county and the county was enforcing a standard that Elon didn’t want to follow, or else wanted to stage a scene to justify his inevitable relocation to a state with cheaper labor. Now we’re back to the original county schedule.