^^^ Concur with that.
Climbers, canyoneers...we aren't the only ones who recreate and/or see these anchors. Out of sight, out of mind. Hikers, bird watchers, tree huggers, snail darter lovers, land managers...they all see visually obtrusive anchors and some, frankly, see them as...well...obtrusive. If you don't see bolts, anchors...then...their impact is negligable.