[mc32]

People aren't indigenous to the americas either, having introduced ourselves but a dozen or two thousand years ago.

I don't think one should consider nativity very much when deciding if something is good or not in a given context. More what the impact is, irrespective of nativity.

Never the less, bikes are even less native than horses... At least horses are organic.

[baddox]

Also, there was a point where the Earth existed but humans didn't exist. So yes, appeals to nature are always weak.