I don't know why this keeps coming up, but we already discussed this when this TechInsight/Bloomberg article was posted earlier. If you want to discuss, that's fine, but refer it to that instead of just posting another Korean article that references to it with no additional info.
They are not getting to 5nm this year clearly or next year. Just because a couple of members were enthusiastic about it, doesn't mean that's the consensus here.
slow and steady improvement until EUV is available.