Hi Colin, what would you say is the strongest argument in favour of Tarsnap over Arq? (As an aside: I've been following your work for the past four years - as

Hi Colin, what would you say is the strongest argument in favour of Tarsnap over Arq? (As an aside: I've been following your work for the past four years - as someone who is quite passionate about infosec, I'd like to thank you deeply for your contributions to the community.)