Note that an inconsistency can never occur without the complicity of the lockers
involved. So whenever the network nodes find out about an inconsistency, they will
punish those lockers by confiscating their collateral.
'Find out' needs some clarification. Why can't I create a million network nodes which I control that either:
a) approve my conflicting transactions
or
b) 'disapprove' genuine transactions
and then just steal the collateral of genuine participant lockers?