I've had two c-sections, and the second was elective because of my previous emcs, like you. (Actually, it wasn't quite elective because I went into labour first and it had to be brought forward, but it was planned and happened the way I wanted.)
I was also born by CS myself. The way I see it is, there are some people for whom a vaginal birth is going to go well, and some for whom it won't - for whatever reason. It has been that way for a long time and that's partly why dying in childbirth used to be pretty common, for both mother and baby.
Now we have c-sections, many of the women who used to die will not be dying, and if physical features that lead to c-sections get passed on, there will be more women who need them.
Having a previous emcs is a fine reason to have an elcs. Not to say there's anything wrong with trying for a VBAC either, but if you feel better with an elcs lined up (I know I did) and you and the baby have a good birth that way, you know you have done right by your baby.
As PPs have said lots of babies are born before they are ready because of problems with the pregnancy, induction etc. not because the baby wanted it. I'm actually not sure the baby does want or decide when to be born – it's your body that decides when to go into labour. Sometimes that happens very late, and that can be a risk to the baby, which is why some inductions happen – so those babies aren't in control either.
Lastly I celebrate my c-sections, I am very happy that I had them and that I had medical staff at the time who listened to me and my body and saw that a vaginal birth was not going to happen. No forceps, no high-risk delivery, no permanent damage to me that could have been caused by trying to get my babies out vaginally – those are things to be happy about. Just my beautiful, pale scar that is my badge of having my DC. I'm not saying anyone who did it the other way is any the less for that either - they should celebrate too. But a birth is a birth is a birth, and you did not let your baby down – quite the opposite.
Congratulations on your baby 