Every day, every single day, snatch up one executive of Time Warner or Comcast. And you burn them alive in front of their family. Continue until their business model changes.
FTFY
But everytime I'm having problems with drivers or software and I end up in the commandline entering strange complex commands which I do not want to learn nor should have to learn.
Which is a pointless argument here. This is a retirement community. These people have not used computers their whole life. Given that the OP is asking advice on administering the machines, I'm guessing the end user will not have to worry about drivers or software.
When you say the word "Linux", many assume it's hard, weird or too different.
It's a retirement community; when you say the word "Computer", many assume it's hard, weird or too different.
I personally can not stand their food.
FTFY
If you teach your children to like computers and to know how to gamble then they'll always be interested in something and won't come to no real harm.