I'm afraid that's not unusual (as Tom Jones would say).
Here's my drivers seat bolster (LHD Mog) after 2 1/2 years

The good news is that it's quite easily remedied.
On Adrian (AJSki to fly)'s advice I bought a touch up kit from liquid leather
https://www.liquidleather.com/?gclid=Cjw...xRoC8CQQAvD_BwEVery easy to apply. Here's how it worked out.