I definitely wouldn't say it was bad, some of it like the original origin of Lilith/Thia and the Starfire stuff were really good. It's worth reading up until the spot you say, but IMO it's still noticeably less good than what came before with Perez. A lot of is sort of "sequels" to what came before: more Titans of myth, more Starfire/Blackfire, more Brother Blood, Mento comes back with the Hybrid, etc.
Plus we got Slade sort of being absolved of the whole Terra thing almost immediately when Perez left, and that was always bad.