I feel you. It's super frustrating in parts, especially that most of it makes zero sense. Only the vertical beams support the built, but not the horizontal ones. So when you build something big you have to look how to do it best without wasting super much space with the beams because even from a wall height of 4, even with stone, the roof is often almost completely red ~~.

To that it comes that we have just two possibilities of stairs and these also do not adapt, but one must adapt to them. Which leads to the fact that you have to build your own stairs as I did for my Rapunzel Tower, which is extremely resource-heavy.
For my very big tower I put a big tree in the middle and took it as a support, because it counts as ground ... what a joke. The thing is just that you waste a lot of space and the part where the leaves are you can not really use. Let alone build there was a pain~, which is why I now use iron beams.