They are also a media company. They run the Roku Channel streaming service which produces original content and also has a 5% share of all us tv viewing tv viewing.

Paramount+ has a 2.5% share and Disney has a 4.7% share for comparison.

https://advertising.roku.com/learn/resources/nielsen-gauge-4...

They are an ad and media distribution company.

The hardware looses them $80m+ while the add and media distribution brings them in $1b+.

The hardware is a side hustle run at a loss to acquire users for the main business.