This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Yes, what you say is mostly true. In nearly every case, what you might want to do with the Struts logic tags can be done just as well or better with JSTL tags. However, there are a few logic tags that have no direct JSTL equivalent such as logic:messagesPresent that are worth using.