I'd disagree on less capable, lacking in some areas certainly but the AIM-9L is a fantastic missile, in the cold of the falklands it worked perfectly, the radar ships, the SHAR's maneuverability and Blue vixen radar meant that in an equal numbers fight the SHAR was almost certain to come out on top. (The SHAR had only just entered service at the time so how it would perform was largely unknown at the time.
(Passing thought here: In the falklands referendum only three voted against remaining british. Probably should leave it there but interesting none the less.)
Enjoyable article though, I liked it.