My opinion on beauty pagesnts is similar to sending a child to dance classes. You are just training them to become strippers when they grow up. Pageants just train them to do soft core porn and take advantage of their looks to dominate others, both men and women in different ways.
This being said, I am a hypocrite because I went to my share of strip clubs when I was younger and look at porn. I wouldn't want my daughter doing either but am willing to look at others people's adukt children doing this sort of thing. So it is up to the adult child, but I wouldn't recommend pushing a minor down that road.... enough adukts decide of their own accord to go down that road. Nobody is making them. A parent should be pushing their kid to live the straight and narrow, and live the best life they can.