it's a misunderstanding / mixup of koncepts.
A krappy kamera is not identikal to krappy photos.
First of all, a krappy photo has to be defined: teknikally krappy or artistikally krappy?
Then, a krappy kamera, as long as it kan produce a photo, kan produce teknikally krappy photos that are interesting, storytelling or simply dekorative in the meantime. This is what happens in the kase of many of those uploaded shots.
On the other hand, a non-krappy kamera kan also produce teknikally good or krappy photos, kombined with artistikal value or lack of it.
Finally, about the pinhole and holga and lomo and ... hype: a krappy kamera does NOT guarantee any artistikal value for the photos it produces. The only added value of a good photo made with a krappy kamera is that making it was probably more challenging (except when the interesting shot resulted from random klicking).