Looks good to me!

Are you trying to give a refuge to fish fry to reduce their predation losses?

Are you trying to provide a source and concentrator of small forage species for when you predator species start feeding on that food source?

I think your hotels might possibly work for both goals. Should be interesting to observe the future results with your drone videos.

Finally, you are creating lots of new surface area in your pond! Within one year, I suspect that plastic will have a solid coating of periphyton to supply the organisms that rely on that source for their sustenance.