I would submit that the more important factor, if it is a mechanical problem, isn’t so much that it’s an Airbus instead of a Boeing as it is that it is the Yemeni airline.
Third-world aircraft maintenance is... well, third world.
So there’s that.
Third-world aircraft maintenance is... well, third world.
And not just any Third World, though, its Yemen.
Like Mos Eisley, you will never find a more wretched hive of scum and villainy.
There is some funky stuff out there for sure.
One time I did a number of internal flights inside Peru, and kept getting the same plane (they had the name "St. Lucia" on this one). They would crank up the engines and they would billow black smoke for 10 minutes, then board the passangers. The flight attendants conducted bingo games on all those flights... to keep your mind off all the rattling going on with good ole Lucy the plane.