None of the many many reasons someone may act this way mean they are broken, and therapy is not about 'fixing' someone to be the member of society you deem appropriate.
If relating to people is not a goal of yours then I would agree that you should not go to therapy for it. On the other hand, it is difficult for me to believe that anyone with anxiety is truly comfortable, considering that discomfort is the main feature of anxiety.
I see the enthusiasm and that you want better things for others, but the way you are approaching this communication is not doing it justice.
Just as someone with a broken leg is not a 'broken' person, their leg still needs fixing.
just fyi: 2 people could have the same mental health issues, but one could get a diagnosis and the other one doesn't. The reason for that is because a 'diagnosis' is basically just a ticket to get treatment, and thus is solely based on the question: "Will this person be able to deal with the disruptions caused by the issue, without professional intervention?".
If someone has a panic attack every time they talk to 3 strangers, it's is very plausible that this can lead to difficulty making and maintaining friendships and relations, which can likely lead to loneliness, depression, even further excerbated social anxiety, etc. All these afflictions make it even harder to deal with these issues which is why some people cannot break this cycle by themselves.