it's not a like for like comparison, Debian runs on many more platforms and supports far more exotic hardware configurations that Windows I've also never had a

it's not a like for like comparison, Debian runs on many more platforms and supports far more exotic hardware configurations that Windows I've also never had a Debian upgrade trash a filesystem entirely either, but have had that happen on a Windows 10 "upgrade", when it decided to overwrite the MS dynamic disk software RAID superblock with garbage (not to mention the random registry corruptions that seemed to plague Windows installations in the not-too-distant past without even needing to do an upgradep)