The remastered BioShock collection looks better, but not different

Last week, I spent a couple hours with BioShock: The Collection, a compilation of the classic BioShock series. The collection includes BioShock, BioShock 2, and BioShock Infinite, all but the last remastered for Xbox One, PlayStation 4, and PC. (Infinite’s PC version "already meets current-gen console standards," says publisher 2K.)
A video game remaster isn’t as cut and dry as, say, remastering an album. A game remaster can mean lots of things: updating the visuals; rerecording the