A common practice in popular spirituality is to "live in the moment". "Live in the moment". "Savor the moment". "Being in the present", There are a number of slogans that emphasis the importance of being present moment-centric.
There is a story of Jesus going up on a mountain with some disciples and Jesus is transfigured before them. While some of the disciples want to 'live in the moment' and build shrines so not to come down the mountain, God commands that they must come down from the mountain.
Why?
When we are present moment-centric then we do not think about the future. Which is a bit problematic for those who believe that we should be doing what we can to better the world around us. Why would I want to better the world around me if I am only living in the moment?
It is clear that to live in the moment does not take seriously the work of the future or the lessons of the past. Present moment-centrism might be good for the individual for a time, but that is all that it is. Good for the individual.
And when we have a spirituality that is focused on the individual I am not sure if that spirituality is not just an idolization of the self.