Kypreos specifically cites the recent examples of Mikko Rantanen and Brad Marchand in his piece:
Kypreos: The NHL used to be a place where loyalty reigned supreme.
But with the likes of Brad Marchand and Mikko Rantanen changing teams this trade season, it reminded us loyalty has become a relic of the NHL’s past. When free agency rolls around July 1, we’ll see if there’s any left between Mitch Marner and the Maple Leafs.
We are in an era where teams are comfortable cutting longtime captains loose.