To why they didn't go to court:
@dansabbagh "Reason Gdn destroyed the computers was to avoid a lengthy legal UK battle that wld have prevented more reporting of Snowden files."
@dansabbagh "Reason Gdn destroyed the computers was to avoid a lengthy legal UK battle that wld have prevented more reporting of Snowden files."
In another comment in the Guardian Rudsbridger mentioned only the potential liability, not the impact to reporting.