> But there is nothing stopping other companies from laying fiber.
Yes there is: the cost.
> Fiber is rarely shared at the last mile.
It is in Switzerland. That's the whole point of this setup.
> Just a little research says 25Gbps is not universal across Switzerland
It is in the big cities. Elsewhere the same arrangement is true, but on a lower scale.
You know being shared at the last mile is exactly what you don’t want?
The article made it seem like everyone in Switzerland had access to 25Gbps - thst isn’t true.