Didn't get a chance to read the whole article, not trying to put my credit card down for a free trial.
Can't speak for garba and fusion teams but independent teams thrive in the bhangra circuit. If you look at big bhangra compeitions like Bruin Bhangra, Bhangra in the Burgh etc. independent teams dominate over collegiate a lot of the time.
Some of it might have to do with culture, i.e Panjabis in the bhangra circuit tend to stay close to home and not move across the country after college, thus allowing teams to stay together and active. Whereas garba and fusion has mostly non panjabis, who I notice don't necessarily will stay close to home and take jobs across the country at times