A very interesting and troubling piece of information, indeed. Things like this can't be ignored. Speed to market is one thing, but ...... Stick around, it will be interesting as the future unfolds.
I suspect a lot of "I told you so" just like the ones that we are still waiting for predicting that all kinds of aircraft would eventually fall out of the sky from eating the icelandic dust of a year ago.
This after market management is what's known as "continued airworthiness" and as such must be perfomed based on data and analysis by the certificate holder to the satisfaction of the regulatory authority.
It is not the intent to satsify the nay-sayers and in many cases the general public can submit their own comments to the docket for consideration. Meanwhile the present course is to satisfy the emergency AD notice
The typical course of problems like this is to tweak the interim corrective action programs as additional data is received and until a closing action is decided upon and effected. There have been far bigger problems than this in aviation including the B747 fuse pin problem and the various uncommanded reverser problems.