Because
This is bachata, but a style known as sensual bachata. The standard regular bachata is what you will dance most often. You can't just grind on a random bytch, after a while of dancing there's a kind of unspoken communication that you will know when to start this. If you just go around dry humping every hoe then you will get a bad rep lol
For me, I start off dancing standard bachata, and the woman will pull me extra close and start the sensual bachata. The crazy part is, this doesn't always mean she wants to smash or even get your number!
You will get a woodie and she will feel it, again you will be able to tell which ones want this and which ones don't.
I rarely smash from classes, classes are mostly couples and older people. Classes are for learning the groundwork and improving a bit.
I smash from the clubs. Just dance well and have a good mouthpiece. If you are not a good dancer you will not get any azz so just be patient.
Salsa is very difficult and complex. Bachata is much easier. Doesn't mean you should avoid salsa though, it's so rewarding when you're a good salsa dancer. All of the women will want to dance with you and many of them find it attractive if you can dance well and with confidence. There's something I call "Beginner's Hell" with salsa because the learning curve is a mother. Just be patient and it will pay off. Don't go with the intention of smashing, just go to enjoy dancing. Add your own flavor to the dance and make it your own.
I smashed that night btw