Bro I hated it too when I first bought it, about a month later I decided to give it another try and been hooked eversince! People spying on the Spawn Points is easy to avoid because it gives you the option as to where you want to spawn just use the D-pad to select your SP (just remember that your team has to possess that SP before you can use it).

If just unplugging your modem doesnt work then try shutting both the PS3 and unplugging your modem. then before turning either on have the ethernet plugged in and then turn your modem on then the PS. Also make sure your PS Network settings are set to WIRED and not WIRELESS, you can find that in yourSYSTEM category in the Cross Media BAr