Otherwise Bitcoin would have skyrocketed at the beginning of this year when LN came on mainnet, but it's not a tangible or flashy news-y event, it was simply a technical milestone.
Well, LN doesn't fundamentally impact Bitcoin's network while this vulnerability could cause the network to suffer partly, or even in a more severe manner due to the news that came out today.
I'm actually glad (somewhat surprised as well) that the amount of fud coming from the Bcash side has remained on the lower side. I expected much more shit from them but thus far it has been within 'appropriate' levels.
Let's see how many non SegWit nodes will finally be upgraded to the latest Core version. The most favorable scenario will be where we'll end up with more SegWit support than before.