Some stranded tourists are probably thinking more along the lines of Hotel California "... you can never leave"!

Imagine if this had taken place at a peak vacation travel period.

If the EU allows flight then the FAA in the USA has a problem: do they require tear-downs of those engines before allowing them into the US? And will the Chinese allow those airplanes? (China has a very strong aviation safety record in the last few years, better than the US)