You missed not being able to disable them without javascript if you set the href, pretty big disadvantage to miss. I vaguely remember IE might support the disabled attribute, but it doesn't actually work properly. That might just be 6 though. I also have a feeling there are other weird side effects to not setting a href attribute on an anchor, but maybe it's just that.

This doesn't feel a very comprehensive or well researched post, especially as you didn't know about e.preventDefault() which afaik is standard practice these days, seems a fairly ballsy thing to ask bootstrap to do when you don't really seem to know much about it.

Then again I guess if you don't question these things, you never find out!