I do not get your point. The ESTA is the only way to get to the country if you're going to a conference or on holidays or to visit someone.
If you're looking for better, you need to find a job to sponsor you and you need to go through the lottery (H1B). Or you need to work for a US company abroad for more than a year (L1). Or you need to get married with an american person.
If you're looking for better, you need to find a job to sponsor you and you need to go through the lottery (H1B). Or you need to work for a US company abroad for more than a year (L1). Or you need to get married with an american person.