I'd hope that once stations saw the result of presenting the series in widescreen, they'd pass. Is there much of a precedent for releasing 1.33:1 television programs cropped to widescreen on home video, anyway? I can't say I'm totally concerned about how the show is broadcast on TV -- I'll be watching it on Blu-Ray if it's released.
Seinfeld was cropped for 16x9 when it was remastered, and airs in syndication that way. Personally I think it looks terrible too.