I don't want to take another out of context so I clipped the whole thing.
https://streamable.com/qr3jsxIn this clip, Sayu explains that she understands what Dokibird and her fans are going through, yet Sayu adds that she went through hell and nobody cared as she almost took her life and was alone through the entire ordeal. Sayu also explains that she's still being bullied to this day, while Dokibird can have support and benefits behind her bullying.
She also explains that she's angrier towards the Indie vtubers who didn't support her, yet are supporting Dokibird for their own benefits, which is why she never wants to collab with those people ever again.