Not just video streaming. Think of game downloads, software updates, video calls, cloud storage, backups.
A GTA 6 download is estimated to be 210 GB. Under this law the publisher or storefront will have to pay an extra 11.5 EUR per copy in tax. And not just for a sale, but for every download.
Got the latest Apple security update? Think about whether it is really worth paying a couple bucks to install it.