I downloaded the new Silk on the Firestick 4K to try it out & bookmarked a number of websites. The last time I had tried Silk was a few years ago & it has since undergone a number of changes for the better. Appreciate bringing up your experience with it.
Streameast is limited to mainly US Sports & may not carry CFB, Soccer, Cricket, MMA or other sports like a few of the majors.
However this kept the numbers streaming from the service smaller so overloaded servers was not an issue. Often I try to find such smaller sites or use links to the smaller servers.
In truth it is a game for me something to pass the time & have fun in my old age, even my longtime GF is getting old as she is now 42.