especially when they can't be measured in 75% (ballpark) of the games
released.
http://www.racesimcentral.net/***
"Most reviewers understand that a game that runs at 'a rock-solid 60
frames per second' will look very smooth, so they tend to make
references to frame rates in their articles. What readers probably don't
know is that there is simply no way for a reviewer to independently
determine a console game's frame rate, so these reports are necessarily
subjective."