The missing middle appears to be tree lights that have a traditional appearance (and don’t look like robot spaghetti). Adhesive LED light strips are meant to be only indirectly visible.
They are strip lights, but the light is mostly omnidirectional, and the strip material is flexible. If you want a dark-colored strip, which looks better on a dark-green tree, here's a non-BTF option: https://www.aliexpress.us/item/3256805412113378.html
I've had a set of these (purchased from Amazon) deployed since October and we've been happy with them. The outdoor strand is run by a QuinLED Dig-Uno board and has stood up to a lot of rain so far. The wires at the end are just flush cut short with the conductors showing, so I made some attempt to weatherproof that spot just in case.
