There are engineering efficiency concerns, as a front loader can be able to wash with less water. I suppose you could care about the door and the ballast, but that's a bit different.
They tried front loaders in the 50's but they didn't clean as well as agitator washers. Now I 've noticed there are making a cleaner for front loaders because the wet detergent builds up on the outside of the tub and begins to stink. I got a top loader with an agitator with no fins and it really cleans great. I had doubts.
