Github user svenmeier commented on the issue:
https://github.com/apache/wicket/pull/342
Ok, you're right, that would be an improvement.
IMHO this change is to big to introduce in a 8.x release though.
I'd say we revert WICKET-6608 (which as is allows even more components to
be accessed unprepared now) and try to find a better solution for 9.x.---
