If a piece is written well enough, couldn't the audience discover those parallels on their own? (...and isn't that part of the enjoyment/appreciation of the piece for the audience?) Wouldn't that imply that the director doesn't trust the audience to be able to do so unless he/she did it for them?
It's funny you're mentioning this right around the same time folks are posting about audiences assuming Cyndi Lauper is starring in Kinky Boots because of the marquee/advertising. But no, strong writing does not mean everyone will recognize the same thematic parallels to modern society as specifically imagined by the director. It's kind of ludicrous to believe we're all thinking the same thing at the same time when clearly, our country is never doing that at any time about anything.
If a director feels that these explorations are necessary enough to make significant changes to the original work, doesn't that imply a level of distrust of the original? (In other words, it seems to imply that the director feels if he/she didn't make the changes, the audience wouldn't be able to "see" or "get" his/her vision or the results of the exploration on their own.)
It's not about distrusting the material at all. It's about creative exploration and experimentation. Equating that as "distrust" is a rather myopic vision of the future of any revival of anything. At this point, we don't know what the actual changes will be, much less assess their significance. To me, treating every text as sacred is a rather conservative and narrow-minded approach to the theatre. If you're not breaking licensing agreements or copyright laws, give it a shot. You might just turn a tired old relic into a fresh new treasure without having to make "significant changes" to the text or score.
"What can you expect from a bunch of seitan worshippers?" - Reginald Tresilian