The hardline opposition like China, Russia and North Korea all have contingency ecosystems they'd rather promote than force Apple to comply with an arbitrary featureset. The EU, for all the good it has done, will have to contend with the US refusing to extend FVEY intelligence to states that resist cooperation.
My original statement should have read Nine Eyes or Fourteen Eyes, but the point stands. The US can play hardball behind closed doors and make these nations regret regulation even if it's a good policy.
But faith can move mountains. Maybe you have to sacrifice some goats to the government to have your prayers heard?