The bills must be paid, the Landy must fed, old bean! Saying that, if you work for any large organisation, they are 'entitled' to carry out such techniques to 'protect' their staff. Do you send Emails from work to home? I wouldn't. It gives your employer legal grounds 'if deemed necessary' to look inside your hard drive.
Look around you and see how many CCTV cameras there are.
Do you unplug your modem at night? I would.
Conspiracy theorist? Not really.