What is spiritual escapism?

Several days ago, I posted a quote from the American spiritual teacher, Adyashanti. He said:

Many spiritual people are involved in a radical denial of what is happening. They want to transcend it, get rid of it, get out of it, get away from it. There’s nothing wrong with that feeling, but the approach doesn’t work because it’s escapism in spiritual clothing. It’s wearing spiritual clothing and spiritual concepts…