Correct. Since it is a Pirate Base, it deals in illegal cargo. This includes Slaves, Drugs, Weapons, Illegal BioChems and Illegal Bots. So for you to be permitted to land safely, you have to craft a bot and make it Illegal. Either by initial stat roll, or thru add-on modifications you install afterwards. Note: 140+ IQ is half the requirement. It also needs to exceed 100k in value. But this is easily achieved by slapping on some crummy mods, like a handful of Subpar whatevers.
Afterwards game will progress. Talk to Nimhe, she confiscates the bot (you lose it). Since it is given away to pay off her outstanding debt and get you landing clearance. Then you can make bots you can keep and put to work. These newer bots are the ones limited to under 140 IQ. Except, Pirate Base will still accept Illegal bots, so you can still make very high value illegal bots and sell them at Pirate Base. Or in Krell Alien Space. They are a bunch of slaver frogs in next star system you go to. So Illegal bots are legal in their space too.