Looking at the video I would say there is something wrong with the spring inside the shifter. There is no way you should be able to take it out with your fingers like that. That shift could disconnect on the road.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!