Short or long texts?
Sometimes we're in a hurry, and we need to get a bird's eye view quickly. Short, concise texts are good for that.
Longreads, on the other hand, are enjoyable to read, given enough time.
What to choose then?
Add reading slider to your articles. Let the people decide which level of detail they want. Short by default, as we're all busy.
Extra details
For those who have time to read.