Quote Originally Posted by rickb View Post
A massive problem?

Not so much.

The tremendous decline of songbird populations along the AT is a massive problem. There are others.

Mileage marker graffiti is more like an an assault on some people’s egos — it makes them feel disrespected.

Better not to participate or encourage so as not to bruise any feelings, but of all the things to stress about, it’s pretty far down the list, IMO.
This. It's certainly a problem -when- it happens. But it's not running rampant up and down the trail, destroying an ecosystem or the ability to appreciate the remarkable resource we have available.