They have inflated the face value of the games you are likely to attend, which helps them get a little more from single-game ticket buyers. They have deflated the face value of the games you are less likely to attend, which can only serve to put further pressure on the resale prices.
Are you unaware the variable pricing for single game tickets has been in effect since 2016? Check the Ticketmaster prices for some of the remaining games this season in the same section. They're not uniform. This change only affects the bookkeeping of STH pricing.
So they are already capturing extra $$ from single ticket buyers for the big games, and getting less for the less popular games. Both of these should help keep the primary marketplace more in line STH sellers on the secondary market.