Same exact use case for me. Backup and Plex video server. I would say no abuse. I regularly blew out dust and ensured the fan was clean and spinning freely.
It just started randomly turning off. Then one day, it wouldn't turn on.
The data on the HDDs was fine. But, they were formatted in a Linux ext format that Windows can't read natively. You can recover the data, just takes a few steps.
Because clickbait headlines are surprisingly effective.