Could ofc depend on how many systems they own. If you own one like we do and then all of a sudden the 4th carrier is used by a random Cmdr to colonize a sun-only system close-by (Trianguli Sector FG-Y D87), maybe as well using using some of the system construction points, it gets "a bit annoying".Seems to be unlimited, or at least the limit is so high it's irrelevant. Canonn have added about a hundred new systems in the last week, for example (some from their own project, some from just being a large edge-of-bubble faction).
Even more so as the construction is still at 0 % after some days...
