They may be _meant_ to last a lot longer, but as you launch a larger constellation, you end up finding more and more edge cases which your original design missed. Even if it's a generous 10yr lifespan - 10% depreciation is pretty brutal, especially if your customers are expecting a certain coverage quality, as then you need more redundant satellites in orbit.
https://web-cdn.bsky.app/profile/planet4589.bsky.social/post...
They may be _meant_ to last a lot longer, but as you launch a larger constellation, you end up finding more and more edge cases which your original design missed. Even if it's a generous 10yr lifespan - 10% depreciation is pretty brutal, especially if your customers are expecting a certain coverage quality, as then you need more redundant satellites in orbit.