Only when they make a bad snap or in this case replacing one because of injury. The best thing a long snapper can hope for is to totally go unnoticed from a snapping perspective, however, contributing on special teams is a huge plus.
Rams have had a few good ones over the years in Jeff Robinson, Chris Massey and Jake McQuaide. Some might have forgotten, but there were some tumultuous times during the Richie Brooks years with long snappers remember Joe Valerio? First deep snap as a Ram right over the punter's head. Nobody cares about a deep snapper until the snaps start to go awry.