P_reuse from aggregate telemetry: the share of a route's views that found a stored copy, pulled
toward the prior by weight pseudo-views so a few views do not decide it. The telemetry
has no device identity, so this is a share of views, not of provisioned copies.
P_reuse from aggregate telemetry: the share of a route's views that found a stored copy, pulled toward the prior by
weightpseudo-views so a few views do not decide it. The telemetry has no device identity, so this is a share of views, not of provisioned copies.