This is an industry wide problem that occurred about that time. The "leather" many/most RV producers were using was defective. Not sure the manufacture year it started nor year it was fixed. I have seen this in several friends/acquaintances RV, across many manufactures.
I had a 2017 Forest River Cherokee that had the problem. Occurred on all use of the leather; all trim, couch, 2 recliners. The peeling will continue until there is nearly no "leather" remaining on the fabric, and you will be left with a grey under-material. I ended up buying cheap couch and chair covers to cover it up.