Writing on paper vs computer

Today I was writing in a sheet. What a piece of junk. In that format nothing can be done, nor copy, nor paste, nor move, no fonts, and many things more. However, comparing, I find it more relaxing. Sometimes.

When I use computers I forget that this flexibility is a technical advance of just a few years. Previously, to write something, we should being much more careful in order to not waste hours transcribing things. Now those transcription hours are unnecessary. We can modify the text quickly, add paragraphs, check lines, change words. Everything without spending a single gram of paper.

Writing in a computer seems to me artificial, I miss the touch of paper, my drawing letter, or is just an emotion I feel because I have learned to write painting.

There would be a time in which people don't use paper to write and everything would be digital?
Is really more ecologic to write using a computer just because of the simple fact that you don't use paper?