"f the person is willing to learn, that’s wonderful. If not, it’s best to disengage. Once you stop giving them attention, they’ll get bored and wander away (or at least, that’s the plan)."

So, one might say to turn a blind eye to them?

The author was getting mad because people knowingly or unknowingly kept commenting on his sunglasses. We have the opposite problem. My wife's eyes look completely normal. I think some people think every blind person has messed up looking eyes. She has her cane and people think she's faking. I'm pretty sure no one is intentionally trolling my, they just don't actually know. I have a feeling the author of this article is experiencing the same thing where people don't actually know.

“I have a disability but I don’t think of myself as disabled.”
This sums it up perfectly.