This is safer for PHOTON users who want to unbond to ATOMs to protect against governance takeover.
When the PHOTON -> ATOM unbonding extension hits, more users will want to unbond, possibly creating a cascade.
The sudden creation of free ATOMs will spook the markets, whereas if it becomes bonded ATOMs, this is less of an issue.
This is safer for PHOTON users who want to unbond to ATOMs to protect against governance takeover. When the PHOTON -> ATOM unbonding extension hits, more users will want to unbond, possibly creating a cascade. The sudden creation of free ATOMs will spook the markets, whereas if it becomes bonded ATOMs, this is less of an issue.