"“The people who lobbied me hardest for independent authorisation, something that really passes muster internationally, is the intelligence agencies. It’s partly a question of recruitment for them,” he said."
Some of the people who are most against this bill are techies (including a lot of the readership of el'Reg), who would otherwise be the core recruiting pool for GCHQ, and it's starting to put a squeeze on them.
Biting the hand that feeds IT
