Forget the suggestions it was not enough oil on startup etc...
WD40 or even a wipe with auto fluid on a rag is enough.
It would be interesting to see the rings (side, back and end gap), it even looks kinda looks dusted so put a eye piece on the rings.
Explains your catch can, restrictors are not the answer here.
Its gotta be pulled and rebuilt so measure the skirts and bore and see where thats at also, may explain your scoring if the rings dont..
When it was first assembled what was the:
Ring end gap
Ring side gap
Ring back gap
Piston to bore clearance