Even if you pay for all the correct networks, pirating is often simply easier.
Live sports streaming as it is today is very much a "robber baron" created marketplace getting rich from what was once more or less "commons" (somewhat of a simplification).
It's transformed from "broadcast costs are covered by barely sufficient income" to "profits in the tens of billions are expected".
[1] https://www.planetfootball.com/quick-reads/football-costs-ev...