You've described one type of pick up artists.
Also, PUAs are as insecure and put up as much of a fascade as women in high-heels with pretty make up to hide their wrinkles.
I'm sure you get enough validation from women which you use to justify your ways. Doesn't make you any less sleazy.
Pick up artistry isn't about sex, its about power exchange with total strangers. Sex is the socially acceptable prize you win for manipulating someone you hate or resent at least as much as yourself into spending time and attention on you.
It comes from a place of isolation and frustration, it has flying fuck-all to do with appreciating women or integrating them into one's life, and it doesn't solve a goddamn thing.
Thinking you aren't worth someone else's time is the goddamn problem.
Reading your perception of what PUAs are is similar to hearing someone describe hackers as evil people and Hacker News as a bad place.
I am not sure they have much to do with reality though.
A well dressed man with zero confidence is not an attractive man. A man can learn things, change his behavior, and become more confident. It is changing a pre-state to something more desirable to others. Dressing up increasing desirability as well, but behavior is by far more important than looks for how attractive men are.
Is it fair to say that some women dress up to increase their attractiveness?
I will say that I've done some coaching and it isn't uncommon to run into men bitter about women due to their past break ups. The very first thing I teach em is its not healthy to do this if you hate women; not to mention you will probably have a better chance if you appreciated them(even their flaws) than walk up to one with years of built up bitterness.