To be clear the comparaison is unfair. Hulu is serving the much larger US domestic market and might become global as the rest of the Disney+ offering possibly and compete against CBS-Viacom‘s Pluto. Whereas Salto the joint venture between all major French private and public broadcasters is and will only serve the French market.
COVID19: The accelerator for European TV consolidation?
2019 has been a year of major consolidation in the US amongst media companies and with operators. The Disney / Fox and the ATT / Warner Media acquisitions have reshaped the industry.

Many industries are being disrupted by the on-going digital transformation and the emergence of new competitors. Only in a few others does it happen so fast and so intense. The combination of viewer habit change toward mobile and on demand video consumption enabled by IP streaming technology with the strategy of US tech and media giants directly targeting European consumers put traditional business models and the much smaller and regional European media groups at risk.