If they wanted this change to help reset GL before a jump they've woefully missed the mark, because;

What happens if Shoulder Tackle is on CD before the boss jumps?
If the GL stack is tied to the second tackle then again, that means we have to spam both tackles. Not a huge worry but not exactly as easy or graceful as clicking Enochian or BOTD...

Sigh. They just can't admit Tackle Mastery was a shitshow, eh.