> I know they imposed some sanctions on individuals from traveling to the US but that was it
No, it was sanctions (asset freeze, bans on US entities doing business with them) plus visa bans prohibiting them from entering the US, not just “sanctions from traveling to the US”.
> and none were imposed on MBS.
That's pretty consistent with what the US in other cases, short of imminent war situations, the US tends not to directly sanction top leaders directly, sanctioning subordinates and particular state institutions.
