This bug still occurs, to begin with. (The trait provides a 5.1-5.3% bonus, regardless of your Ctrlx)https://www.reddit.com/r/sto/comments/hiw9ta/bug_with_fragment_of_ai_tech_isnt_scaling/
Also I've seen that for some toons, the bonus is like Cat2, for others it's simply like cat1.
Perhaps it needs to be looked at, since it has great potential, it is partially broken and could be fixed quite fast. I'm positive it's a formula mistake and a tooltip mistake.
Do you use it? Does it also impact you guys?