"When you're hot, you're hot
And when you're not, you're not
Put all the money in and let's roll 'em again
When you're hot, you're hot" - Jerry Reed
https://www.youtube.com/watch?v=EDSXyQxjRw0
This is just the way RNGs work. It's like a slot machine where some players are selected to run hot. It doesn't last forever, but it's very difficult to counter.