JSF: Yeah, we make it so can focus on what's important and you never have to write HTML or CSS like those lowly web developers.

Also JSF: You can't nest <h:form> components because nested forms are invalid HTML. Oh, that breaks the composite component you were trying to use? Ha, fuck off.

Primefaces: You know how you can just provide an ID and OverlayPanel will open on its own? Well, for a Dialog, the API is completely different. Here's a glob of JavaScript in an onclick event.

I swear this entire thing was regurgitated by a murder of seagulls.