Jean's gravity wasn't limited to the area they were in. And besides its effects, it was starting to affect the planet itself. The rotation, the gravitational and magnetic forces of it, along its very movement.
Jean was beginning to be its centre point. With his power as it was, only a matter of time waited before he couldn't reverse its aftermath.
"I don't quiet understand. Why would you release such power then. If Jean is that dangerous, isn't that more of a reason why he shouldn't use his power so uncontrollably?" Ryukka was now becoming seriously.
It made no sense to destabilise the atmosphere, balance and space.