Bigger does not mean better, that’s what mom and pop stores say all the time. Sometimes they are right, sometimes they are wrong. When it comes to 401(k) plans, most people would assume that larger 401(k) plans would have more problems than smaller plans because of size and complexity. The funny thing is that really isn’t the case. For many reasons, smaller 401(k) plans have more problems than larger plans. There are many reasons why as this article will tell you.