Drive failures have almost nothing to do with access if they are mechanical. Most failures are from bearing or solder interconnect failures over time.

Also, most seeding is in smaller chunks that are read and cached if popular... Meaning less drive hits than 1-1 read vs upload.

You will almost always have drives fail from other aspects like heat or power or old age before wear from seeding would ever be enough to matter.

I have drives in the excess of 10+ years, with several seeds that have been active for many years of those, that are still running just fine.