I find this interesting and somehow have my doubts.   I have just been reading about all and I do mean all of the major retailers and the brick and mortor bunch closing many many hundreds of stores across the US because of Amazon and on line shoppiing.
The only retailers who have and are growing are the $ stores.   Most of my friends shop on line and even the old folks.   The on line issues is also hitting the banks and the local bank has closed all of it's tellers (none left)    The next 5 years shold tell the tale .
I also am 76 and would not touch them.