LongTasks can report long tasks that come from sources other than just scripts. Thus, the name should be renamed because 'script' makes it sound like it's only reporting tasks from scripts.
This is one takeaway from the F2F, where folks were surprised that LongTasks currently covers more than just scripts. We discussed changing the name attribute to "unknown" or "unclassified" (at least until we have full attribution).
LongTasks can report long tasks that come from sources other than just scripts. Thus, the name should be renamed because 'script' makes it sound like it's only reporting tasks from scripts.