Mechanical failure in standard hard disks (bad bearings. etc.) and SSD “write-cycles” will probably kill your drive before it runs out of “spare bits”.
https://www.volico.com/the-most-common-causes-of-hard-drive-failure/
https://www.enterprisestorageforum.com/hardware/ssd-lifespan-how-long-will-your-ssd-work/
ARE YOU FREAKIN' KIDDING ME!
Was this guy ranting about the availability of free disk space???!?
I couldn't penetrate his concern, but if that is his problem, ..... well, I just don't know what to say. Imagine, back in the day, this guy's panic when one of his floppy drives filled up!!! lol