I think they meant that Spain can now demand Youtubers to pay tax for money they made from Spanish viewers on Youtube. Etc.
Not sure that anyone will do so, but I think this is what GP is saying.
It would have to be another player willing to invest a ton upfront, and continue burning ludicrous amounts of capital over many years before they could actually compete
They are making money from Spanish viewers - Spanish YouTube premium and Spanish advert impressions.