I have no idea why they did, but some pros: X200 is less expensive, (I think) it has a little more room, and it doesn't have the X220's crazy design flaw with the lid shell.
I also had better luck getting genuine replacement keyboards for the X200. Half of the X220 keyboards I stockpiled arrived as substandard garbage, even though I was trying to avoid that.
I have no idea why they did, but some pros: X200 is less expensive, (I think) it has a little more room, and it doesn't have the X220's crazy design flaw with the lid shell.
I also had better luck getting genuine replacement keyboards for the X200. Half of the X220 keyboards I stockpiled arrived as substandard garbage, even though I was trying to avoid that.