Soul Campfires are supposed to produce less light, but they don't. Every other soul item behaves as expected.
In case it wasn't clear in the picture, I put colored wool by each campfire to mark which one is which. Light blue is soul, and orange is normal obviously.
Thank you for your report!
We're actually already tracking this issue at MCPE-73890, so I will resolve and link this ticket as a duplicate.
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