Data point
Crossed 2 MM last November and to my surprise I got an email from assistant MPO manager to congratulate and award me with 4 Bookable Upgrades (BUD) a couple of weeks ago. Not the best timing as my travel, like most frequent fliers, has drastically reduced nonetheless I appreciate their effort. Though I found it odd that they only reached out to me now after 8 months of crossing 2MM. I am currently at 2.1 MM now as I speak.