All indicators seem to be pointing to the fact that Skyteam's FFPs will continue to be increasingly harmonized in the coming year into more HCP's: High Contribution Programs not intended to influence or incentivize buying behavior as much as to reward loyal customers with a more profitable contribution margin.
Consider this: If DLNW's TATL JV partner and only other significant part of ST only offers a maximum of 100% on full-flex Y fares and only 125% on the most widely favored business class fares (Z), it seems quite obvious that the 150% on economy tickets would disappear sooner rather than later.