One is that the low cost of gathering information this way may encourage more of it, and a Hobbesian world of spiralling espionage would be bad for everybody.

第一，这种活动收集情报成本低廉，很可能大行其道。 出于相信“性本恶” ，监控在这个世界上日渐猖獗，对每个人都不是好事。