I doubt it - there's plenty of evidence that New Posters Please READ THIS is seldom consulted, although it has so much fluff in it I almost can't blame folks. It does not matter how much info or resources one provides - someone always thinks there is a shortcut or that their problem is unique.

As for the chainrings, I agree they're fine - no chance of slippage and little loss in efficiency, though I'd not worry about necessarily going that large again. Part of the reason for wear is someone grinding a gear they are not fast enough to use.