No it's not. The problem is PoB is not working optimally due to people being incentivized to use curation trails, poor algorithms that don't know how to recommend content I actually want to consume and an overall clunky UI.
Your idea pretty much only incentivizes people to just input their staking settings and leave in order to gain their rewards.
We've had this blockchain for 2 weeks and witnesses complained that Steemit Inc was the bottleneck to making this place better. Now that they are gone, everything is broken?
This proposal is trash.