Adding new star systems to the game is not easy. The Stellar Forge procedural generator that creates the stars and planets of the ED galaxy works from first principles: a mass distribution function, from which the stars and planets are then precipitated out. Suddenly adding a brand new star to a region of empty space would in effect "steal mass" from the other procedurally-generated systems in the sector - in effect, it would delete every procedurally-generated system in that sector of the galaxy and create a whole bunch of new ones.
What they can do, however, is take a procedurally-generated system already in the game, and replace it with a brand new star system of exactly the same mass. This is exactly what they did when they wished to add the TRAPPIST-1 system to the game after its discovery was announced back in 2016. CI Tauri is about 515 LYs away from Earth; they could take a procedurally-generated T Tauri star in about the right place, and manually edit it to create the CI Tauri system. I suppose it dpeends on how "wow" the system is.
Apparently, the CI Tauri system is "incredible and unique" because it has an 11-Jupiter-masses planet in a very close 9-day orbit? Well, there are plenty of similar "hot Jupiters" around, in similar orbits. That's not really "wow" enough for them to go to that much trouble.