The XYZ might overshadow sychros if they keep getting supports like they are now. Once they lose the gravity bind and we get back oppression, things might change a bit.
XYZ do shine in the fact they can pop out of NOWHERE if you aren't used to fighting them.
HEROs will always get support, I just never pay attention to them.
And I heard the Aquabanish archtype isn't exactly....good.