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You won't get anywhere at these high levels without boosters and gold bars, lots of them, it is pay or quit, or find a way to cheat.
It sounds to me that you miss the good old days, like I do. I got the fun back by starting over, a completely new game from level 1. Actually, up to levels well beyond 1000 these play very much like they used to, lots of events, using boosters wisely, winning gold in episode races. They won't fix the 10,000+ levels now. King are actively encouraging new players to join the game. Players at the top don't matter any more to them. If you don't want to quit, I seriously suggest you start over and see how far you get.
Not everyone does, I think. To some part it depends on the privacy settings on your device. I have internet/search privacy settings on my device that mean I never ever get Ads to watch. However, at one time I just happened to wipe my cookies from Safari (I play on iPad) , I mean I deleted my search history in the iPad settings, and all of a sudden I got Sweet Cinema offered in my latest game. I think this was quite early on, levels 200 or so. You could try that, wipe your search history. It only took one visit to each website to get everything back. I prefer to keep my privacy settings though, so I choose to play without adverts or Sweet Cinema.