What is Reddit's opinion of [Substratum] Transparent Oreo/Nougat Theme?

From 3.5 billion Reddit comments

I just bought this Transparent theme, seems pretty good so far, had to do a restart of my phone before it picked up all the changes. Looks really nice though, I will keep you updated if anything bugs out.

Layers or substratum theme, like this

> [navbar]: choose to have stock navbar or invisible navbar

Needs root and a Marshmallow ROM

Ahh this?

https://play.google.com/store/apps/details?id=com.spada.transparent pie in in the title so yes.