Warren,
That problem was reported quite some time ago - shortly after LGB started delivering the nickel-plated stuff - by various users in Germany.
From what I gather, there were several dealers who returned the stuff lock, stock and barrel.
Not a good scenario, but with all the alternatives on the market, one wonders why one would buy into one more “iffy” experiment. As soon as one read that the LGB track-cleaning machine was not to be used, one’s ears should have perked, shouldn’t they?
Perhaps it’s just me who surmises : “Hmmmmmm lets see, which process of nickel plating is used?”
Having listened to plenty of tales of woe from customers who got this or that plated, I was not really surprised when I heard the first complaints.
BTW if one is using steel wheels, I would think that chances are pretty good that hairline cracks in the plating will be in the offing. OTOH it’s probably just me with my “attitude”.

On another note Thiel has been selling nickel plated track for a long time. I have yet to hear that any of it ever peeled. Perhaps he’s using a differnt process?
And yes, Thiel has a much better selection of turnouts etc. Also has a vert nice track geometry, for those who appreciate that kind of feature. 