it did seem very out of place, like they were getting close to the end and went, "Oops, still gotta throw this in!" Maybe it could have gone in the Da Ji episode instead. (Then again, maybe Zhu Hong was simply waiting until Shen Wei was detained somewhere to strike... ... nah.)
Yeah, they did sort of frame it as part of Ye Zun's ploys to bring down the SID, but ... hadn't we dealt with this exact same thing earlier on several occasions, where Zhu Hong cried into her cups that Zhao Yunlan went for someone else entirely?

"Villain Incensed That Sibling Escaped From Bondage During Routine Minion Update", perhaps.
Yes, please!