10,000 GamerScore challenge - Now 3 for 3! : r/MicrosoftRewards

Also got an email response from MS Rewards Support team. Not much more helpful but somewhat different reasoning than the reason u/HighBoltage08 got. Irregardless, if you didn't get it, you probably won't so don't wait around like I did. : r/MicrosoftRewards

How to Earn Microsoft Rewards Points on Xbox, PC & Mobile - Free Game Pass, Gift Cards

Cannot get the 10K points on MS Rewards after completing the - Microsoft Community

10,000+ Microsoft Rewards Points in Three Days (No Purchases) : r/ MicrosoftRewards

Cheap and easy Gamerscore to help you earn 10,000 Microsoft Rewards points

10,000 Gamerscore Challenge is on again via the Rewards App on console. 10,000 GS = 10,000 Reward Points. : r/xboxone

Xbox Game Pass Quest 10,000 Gamerscore for 10,000 Reward Points in 10 Days is Back

Nova missão para 10 mil pontos no Microsoft Rewards!!

Support Finally Responded About Why Some People Don't Have the Gamerscore Challenge : r/MicrosoftRewards

10,000 GamerScore challenge - Now 3 for 3! : r/MicrosoftRewards