The driver for SegWit seems to be purely LN
This is an rbtc talking point-- it has no basis in reality. Segwit is largely orthogonal to lightning, and proposed long after it. The reason people keep claiming it is because segwit is above reproach and lightning is less well understood and easier to FUD.
Hmm, I suspect actually a lot of people think that because on the Segwit FAQ, here:
https://bitcoincore.org/en/2016/01/26/segwit-benefits/ it says:
Who benefits?
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The Lightning Network
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