Ok...so this is a bit of a rant. But bare with me.
Back in the day, nudism meant completely naked. Many resorts would not even give visitors a tour until they undressed first.
Somewhere along the line resorts changed their policy to "clothing-optional." And not to sound sexist, but the primary reason for that was to attract more women to nudism. It gave them the option of not always have to be completely naked and experience nudism at a "slower pace" if they were shy or reluctant. But this change came at a cost.
Mind you, I am not "anti-clothing-optional." As a matter of fact I would have never gotten my wife to try nudism without that option. When we went to the resort for the first time, she got to stay covered. That allowed her to walk around for a bit, without stress, and experience the resort and see other nudists without feeling pressured to get naked.
After a while of walking around she felt comfortable enough to free her breasts. Then she felt comfortable enough to get naked outside the pool area and get a feel for her naked body being out in the open; but away from other people. Finally she felt good about being naked, her confidence went up; and she decided to go introduce herself to other nudists. After chatting she was ok with being completely naked around other nudists.
So without that "clothing-optional" policy she would have never gotten comfortable with the idea of being socially nude. The short term benefit of "clothing-optional" was evident.
But the problem with C-O is that it does not offer a long-term solution. For some people, who are really disinterested in complete nudity for whatever reason, C-O become a easy way out. That's when we risk the issue of textile proliferation: when many people actually choose to stay covered. I've seen it happen with women and their sarongs; and teens staying covered outside the pool area.
The problem there is that when visitors come in and see textile proliferation, they will often be less inclined to disrobe or stay naked themselves. Just as nudity can be communicative, textilism can be as well.
I've often seen shy newbies arrive at the resort, covered, and find themselves in the midst of completely naked people. More often than not, they end up naked by the end of the day. My wife once met a shy newbie at the resort; she was there with her husband and did not want to be naked. But after conversating with my wife, and observing her completely and comfortably naked, she decided she wanted "in", undressed and hung out naked with my wife.
And I've seen the opposite happen as well. Situations where too many people were covered; and newbie deciding to stay covered as well.
Far from me to impose on women (and teens) that they be forced to be naked after their first visit. But I think they should really consider the impact on the nudist environment their textilism might have. If they really have no intention of being completely naked, they should consider the reason they are there in the first place. There are plenty of places people can keep their clothes on.