They just pointed out that Netflix has different prices per region. Many service providers do.
A system in which a poor person making $30k/year and spends $500/year on products or content advertised via Facebook versus a rich person who makes $1M/year and spends $10k on products/content via facebook is not exactly progressive. The poor person ends up paying 1.6% of their income, while the rich person spends 0.1%.
The poor person spends 16X of their takehome earnings than the rich person, not exactly progressive.