The typical goal of these alerts are to warn when high priority queue drops occur, but suppress all low/no priority queue drops.
Congesting is a normal part of networks, so just being alerted to the true priority issues is all that is typically warranted.
The LiveNX defaults are in alignment with the current best practices:
We would typically recommend leaving “Interface drop rate exceeds” unticked/off.
Depending the QoS policy design. It could also be advisable to change the values of “Class drop rate exceeds” and “Class-default drop rate exceeds” values (usually higher) or turn them off.
If you do change these parameters, you will typically want to implement a custom trigger. It would look something similar to this: