The forked from OpenWRT in May 2016 and are now already going back. I guess there's not much to gain from the code merge for end users except for a few bug fixes ( https://lede-project.org/faq#were_there_any_technical_reason... ).
Well, technically you might be right, but I would like to point out that two groups joining their efforts, while picking the best of both (organizational) worlds (processes, infrastructure, etc.) is always a good thing in the open-source world and means progress could be accelerated for the new, unified project. Politically this could mean that either OpenWRT has moved and intends to improve regarding the issues that…
Just wanted to put it more into context.