Comment by Sesse__

> Honestly, fibre, even unarmoured with just a standard Kevlar & HDPE sleeve is hardy stuff.

To be fair, it also got a lot better in the last 20–30 years. In particular, we now have bend-insensitive fiber for the last mile (G.657.A1/G.657.A2) and in general, we just figured out how to make it more robust.