I tried binding on my machine and could never get it to look good. Unless your binding is perfect the stitching can miss its mark on the back side of the quilt. It also will ripple and when going around the corners the machine can get stuck on the thickness. Some people can do it beautifully, not me.
There are so many reasons for being unsuccessful.
working too fast
wrong thread or needle
cheap fabric for binding
not enough quilting near the quilt edge to stabilize it and prevent it from shifting. This is my biggest discovery over the years.
I am going to try it again by combining Elmers Washable School Glue to hold the binding in place and prevent shifting, then sew it with machine. There is a big difference in working on a little sample piece and shifting around a big quilt under that little needle, it is not as easy as it looks. A big quilt needs lots of support and focus on feeding it through the machine evenly