I am sure Latam got plenty of complaints from BS when the priority are higher for bidders when the rule came out. Why would they treat their most loyal customers to be second to causal customers that make bids. Hopefully the rules are more clear by March when the new status cycle begins.
I once got an upgrade T3 with segment then had it taken away after I checked in at the counter and the gate agent made up some story about something was wrong with the seat but I saw the person sitting there.