"
In the 2010s, the editorial tone of the paper shifted from liberal to conservative, particularly after the editorial pages of the paper were consolidated in 2018 with The Blade of Toledo, Ohio. After the consolidation, Keith Burris, the pro-Trump editorial page editor of The Blade, directed the editorial pages of both papers.[3][4]"
https://en.wikipedia.org/wiki/Pittsburgh_Post-Gazette
Purely a coincidence, I'm sure.