nobody deletes anything, they are just taken apart, there is a limited quantity, new ones will be added someday, save points

Hey guys, What the problem with Binance🤔
when reach 100 points the Binance removed 1USDT voucher.
when reach 200 points the Binance removed 2USDT voucher.
when was about to reach 300 points the Binance also removed 3USDT voucher.😂😂😂
if anyone knows please explain