Get your new drug approved by the FDA, and ~50+ countries would follow more or less on autopilot.
This wasn’t necessarily a bad thing, because as far as I know, they really _were_ that good.
Past performance is perhaps not indicative of future results.
Obviously any authority that takes its job seriously makes decisions based on facts and not blind trust.
We have no intention of dropping our standards to US ones, but they are welcome to follow our lead. (Or don't! It's up to you, just don't make it our problem!)
For a country which has a sufficient approval scheme, they lose little by choosing not to trusting an insufficient approval scheme.