Even on the contrary, once you introduce GC usage into languages without direct support you're basically always running a substandard GC because so many advance

Even on the contrary, once you introduce GC usage into languages without direct support you're basically always running a substandard GC because so many advances(enabled by read/write barriers) aren't really available without language support. Then people go around shouting GC's are bad because they used them with a language that made them use some of the worst ones out there.