Wow,
It sound not like a new organ was discovered but that it been discovered that the fascia[1] have these tubes and that the fascia really is an organ.
In studying message, a lot of approaches already treat the fascia as an active, responsive organ rather than as a passive collection of fibrous tissue. The science behind this has been considered murky at best. Now there, at least, is an explanation.
The topic is debated here: https://www.painscience.com/articles/does-fascia-matter.php