That is true and that is what I use when I know I'll need one. But they are overkill, expensive and thus as a consequence - not something you have on you when y

That is true and that is what I use when I know I'll need one. But they are overkill, expensive and thus as a consequence - not something you have on you when you need it. And for times you need to create a boot disk and similar use-cases there is a lot of value in being able to completely nuke and reformat a drive. Which you might not want to do if you have data on the 2TB drive you'd rather keep. Even if it is only for convenience - which you typically do after a while. And usb-drives you can have a handful of, give one away without care etc. They do have a place and it is a shame we can't trust them (for no good reason).