Learning more about effective safeguarding measures with proven success across various types of intangible cultural heritage in different geographical regions will help the parties concerned develop their own appropriate safeguarding measures.
The answer is actually quite simple: consumers of higher education use prestige as the signal of higher quality because commonly accepted measures of actual student learning do not exist.
To do this right, we would need good outcome measures that captured true individual student learning growth along a variety of dimensions, which would have to look quite different from our current assessment system.