> there is no real competition
Totally false. The competition is in what shows people watch. The Pit not available on Netflix? Oh well, I’ll watch something else. There’s plenty of content. People are not subscribing to BritBox just to watch one show the heard was good.
That is not at all supported by evidence though. You might do that but it's an anecdote.
E.g this survey: https://www.nexttv.com/news/a-hit-driven-biz-40-of-consumers...
"40% of Consumers Sign Up For an SVOD Service to Watch a Specific Show"
Or this Ipsos survey:
https://www.marketingcharts.com/digital/video-235725
[...]almost 4 in 10 (38%) agree that they often subscribe to a channel to watch a specific show[...]