As someone a lot deeper into robotics I totally get this sentiment... But I also think it's good to encourage people to share the basics, look how many newcomer

As someone a lot deeper into robotics I totally get this sentiment... But I also think it's good to encourage people to share the basics, look how many newcomers in this thread find it interesting and may explore it further. I wonder how smooth one could make a cheap servo-based robot arm operate with decent control algorithms.