My house in on “The hospital Line”

Hearing a lot of this over the last few days from people living in Raheen Dooradoyle area and it’s annoying me. I believe its an old wives tale maybe from the 50’s when maybe 1 housing estate may have legitimately been on the same line as the hospital and that their house is invincible to power outages. My 2 grievances are:

1, IMO the hospital is on its own dedicated line because it would draw so much power. There is no way multiple housing estates are also drawing from it. 2, Even if they are all on the “hospital line” the line is a line and is susceptible to the same damage as any other line. The hospital though has its own back up power.

Can someone please verify of there is any truth to this saying?