Nothing surprising here. It's a big no-no that the engine nacelle fell apart after a fan blade out event - that's not supposed to happen (and it's long been recognized as a safety of flight concern). I'm sure Boeing has been working on a design change for the PW4000/112" nacelle (especially after it happened a second time - indicating the first one wasn't some sort of fluke). But Boeing can't mandate that operators incorporate the retrofit - only the regulators can do that.
Similarly, two FBO events on the PW4000/112" (in a fairly short period of time) was pretty damning evidence that the existing inspection requirements were inadequate and needed to be changed. Again, Pratt can recommend the change, but you need the feds to mandate it.