Minecart bug

This is a issue with the minecarts
People are doing this and rideing them like a car
Sorry no image just a video if you can take a look at
It has the bug in the video that I made and I will like you to watch it and fix it
servers are lagging and ever one else on the server
this works on any server
https://www.youtube.com/watch?v=1PmHeqrPOBQ
this video was made from me and my channel Please fix this bug