Question about lightning arresters....?

Question

Givin that lightning arresters help protect live wires on power lines from lightning strikes, what method of lightning arrester installation would be more economical and effecient in protecting damage to the power grid from lightning strikes?.....

Fewer lightning arresters installed on few poles but are larger and can handle more lightning capacity?

or

more lightning arresters installed on more of the poles but smaller and can handle less lightning capacity?

Answer 1

Once the 'path' is established, the only capacity question is

whether the arrester survives in usable condition.