That’s the sad reality for the wheel based type of promotion that includes luxury items and huge jackpot prize since it’s always 99.9999% chance of winning the smallest reward while the mid size value to high value reward always have the 0.000000001% chance of winning that is already closed to impossible.
Your numbers are incorrect.
Every time you spin the wheel of fortune, there's around a 98.79% chance of winnning one of three smallest rewards.
The chance of winning the $15,000 is 1 in 4,294,967,295 (around 0.0000000233%). The chance of winning the $1500 iphone is 0.000001% and the chance of winning the $500 Amazon gift card is arounf 0.000003%.