Complex sentence: This problem might be of greater importance to susning.nu than to other wikis, since susning.nu does not have any administrators who can block vandals'in action'-the only one having such powers is Lars Aronsson, who has allegedly never used them.
Split into simpler sentences: This problem might be of greater importance to susning.nu than to other wikis, because susning.nu does not have any administrators who can block vandals'in action'. The only one having administrative resources is Lars Aronsson, who has allegedly never used them.