Speaking as someone who has hired H1-B's in the past, there really do seem to be two tiers. There's the companies/organizations that are truly abusing the system and then there are the traditional tech companies who are happy to hire anyone qualified, no matter where they are from, and pay and promote them the same as other employees. They also sponsor green cards. Competition between these employers has gotten to th…
You say "matching Netflix offers is very expensive": again, no, matching Netflix offers is the fair market rate, and without H-1Bs, the rate would be higher. Indeed, unless you are a well known company, you should expect to have to pay more than Netflix, since Netflix's offer also prices in the stability and prestige of working at Netflix.
Which is to say, the "expensive" Netflix wage is actually less than fair market value.