Honestly we have never had this problem. My mother had one of the first front loaders out there and ran it for at least 15 years before it died. She then got the Maytag Neptune and after she died I inherited it. I have never had a problem with it smelling. I am single now and do maybe 2 loads a week. BUT I never close the door all the way.
Every repair man I have ever had says to never close the lid, even on a top loader. My clothes don't stink unless I forget them in the washer for a couple days in the summer. I do know if you close the lid you will end up having a rusty washer that won't last as long. As for the LG's I wouldn't buy anything from LG. EVER They have lousy customer support and their appliances are crap. It may also be that people are using the wrong soap or using to much and it builds up and gets gunky? ... View related article.