There is hardy any content on sites like youtube, becaus until a few days ago it was forbidden to post anything...
Like adrazz already said, tehre is really a ton of tutorials in the starting area. Also if you already left this area, at every marketplace is a building tutorial too. (these black capsule-like things. on the ground is a pad, aim at it and press f)
I admit that the game has a pretty high learning curve... I play for 3 days now and already got a nice setup (multiple M industrial thingys, M core.. all build from scratch). It helps if you have already played other games like DU (for example Space Engineers or even Factorio)