ohh....
you mean middle click when you created a point right??.. (and drag it on the other 1)
well, if so,.. then, is it suppose to stick to the previous point... (but it doesn't)

PS: can it be that he used a previous version of maya?... not 4.5..
oh, here, here is a link.... https://www.highend3d.com/maya/tutorials/patch2/