This is no new thing, lazy people have been around for ages, and unfortunately some have found themselves in control of networks.
Even more dangerous is trusting people. Human engineering has been a long time hacking tool.
My own mother once gave away the username and password to our DSL router because someone called the house and said they where from the Telco. Hrmm mum you have a good heart, but…

The other side of the coin is that once there is a major security breach there is a new job available for someone more astute as the lazy putz goes by the way side, oh well. More jobs to the more deserving who put in the hard yards.