Question Bout Windows 7 & Windows 8/8.1/8.1 - Update 1

So my parental-in-laws had computer problems both on laptop & desktop computers my father in law took his laptop into staples they ran tests and they said that it's the hard drive... So they swapped it out, when they asked what he wanted on the new hard drive the store actually recommended Windows 7... The reason for the recommendation is this:

"Staples claims that windows 8 (etc) is harder on ones computer than windows 7 which can wear out hardware faster than windows 7 and that windows 8 can cause hardware issues and malfunctions with printers and other devices"

is there any truth to this or is Staples just blowing smoke outta there *** ?
For the last little while my father in law ran windows 8/81 on his laptop and desktop without issues now he's unsure if he wants to go back to windows 8/81 because of what they said...

Please leave all personal bashing in regards to what you prefer windows 7 or win8 out of this, I know each user has his/her own thoughts in regards to the systems as do I... I personally like both for various reasons...

Thanks in advance
Kennie

 

It's pure, unadulterated bunk. Staples had some other reason for recommending 7 though I have no idea what their motive might be.

 

Thanks Earthling for your answer, I honestly thought it would be exactly that but I wanted to see if perhaps there was some truth to it.