> Because if in a few years I have a device whose driver is written in Rust, a new kernel version might have simply dropped or broken my device driver, and I ca

> Because if in a few years I have a device whose driver is written in Rust, a new kernel version might have simply dropped or broken my device driver, and I cannot use my device anymore. At least for Debian, all you need to do if you hit such a case is to simply go and choose the old kernel in the Grub screen. You don't even need to deal with installing an older package and dealing with version conflicts or other pains of downgrading.