Sunday as a March 7th replacement for Feixiao Robin Aventurine?

Has anyone TCed this? Even with wasted energy he's still just a better bronya that is sp positive with sig/bronya lc, so instead of bronya being a robin replacement he should be able to replace m7. From what it seems it'll probably be his strongest e0 team for the time being purely because of how strong feixiao is. And also potentially a topaz replacement as well provided feixiao isn't e2?

Not talking about relative improvement here so please don't tell me how jing yuan is a better fit for him