Σ's used as E's

[ΣΣΣMagan]

I am sure that most of you are aware of the new show on ABC family GRΣΣK. It kinda bugs me that they use the Sigma instead of Epsilon in the title's letters. However, I was watching "My big fat greek wedding" with my mom the other night and noticed that in all of their introduction credits, every place where an E was required, a Σ was substituted. Are people really that ignorant? I mean, I understand that Σ looks like an E, but it's not; It's an S.

I mean, if you wanted to use all greek letters, it should end up being

ΓΡΕΕΚ

Anywho - I'll get off my soap box. Just wanted to get other's opinion.