That process they show in the youtube video is pretty involved and very complex for no other reason than to keep people locked in to the apple store. As a layman I doubt this is compliant with the appropriate EU laws (specifically the DMA) Unfortunately this behaviour does not come as a surprise but I certainly hope the regulatory "beatings" will continue until compliance improves.
Just installed the Epic Store, my experience step-by-step: 1. Go to Epic Store website, click on Install 2. Nothing happens 3. Click again 4. Popup message appears, I click OK 5. Popup gone. Do I have the app now? 6. No I don’t. I read the steps again. 7. Ooh I needed to go to Settings and approve it there. 8. I went to Settings, it appears at the top. I click. 9. Another popup with lots of text appears. I click yes.…
RTFM