No, they are allowed to call it "SI" [1]. Even Elon calls it that now [2][3].
[1] https://www.whitehouse.gov/presidential-actions/2026/09/inau...
[2] https://youtu.be/lMGJPikgcSs?t=365 [3] https://youtu.be/lMGJPikgcSs?t=676
[1] https://www.whitehouse.gov/presidential-actions/2026/09/inau...
[2] https://youtu.be/lMGJPikgcSs?t=365 [3] https://youtu.be/lMGJPikgcSs?t=676
Time to register x.si
Will OpenAI change its name to OpenSI