It IS the bud light of belgians. Or rather the yuengling I suppose. That's the point.Not sure what you are comparing it to to say Chimay sucks. Chimay is a AT LEAST a decent beer - it is an entry level belgium/trappist ale. There is nothing wrong with it.
Now, if your point is that there are (much) better belgium or trappist style ales, than, yes, by comparison, Chimay isn't as good. But it doesn't suck - would rather drink a Chimay and pay $8 a bottle than have to drink Bud heavy or Miller Lite.