Because netflix is the biggest and may slowly become the place to watch movies. It also sets a precedent because more online content is being consumed as video rather than straight text.
The problem with free-marketism in cases like this is that we are talking specifically about quite small minorities (less than 1% of the population are deaf) therefor it's quite likely that most business can ignore them without noticing a difference in their bottom line therefor the problem would never be fixed.
The problem with free-marketism in cases like this is that we are talking specifically about quite small minorities (less than 1% of the population are deaf) therefor it's quite likely that most business can ignore them without noticing a difference in their bottom line therefor the problem would never be fixed.