What are the advantages and disadvantages of hand embroidery and machine embroidery?

Generally, silk thread is used in manual embroidery, because the color of the picture is better, but it is not used in machine embroidery, because the embroidery sequence of the machine is not strong enough, the silk thread is easy to break and the silk thread is very thin, so the embroidery picture embroidered by the machine looks rough and messy. In the following figure, figure 1 is machine embroidery, and figure 2 is hand embroidery.