Jakob Pelletier’s continued fourth line usage mystifying and must stop, if only to find out what he is

The ice time and usage of Jakob Pelletier may not seem especially consequential at first glance.
Yes, the Philadelphia Flyers acquired him a month and a half ago, one of the many pieces included in the deal that sent Morgan Frost and Joel Farabee to Calgary. But Pelletier isn't a blue-chip prospect or likely-to-be future star. In fact, he's really not even a prospect at all anymore -- he's 24, and had 61 NHL games to his credit before the trade. It would be easy to just dismiss Pelletier as a non-entity, unworthy of time or consideration.
But Pelletier was one of the big pieces (along with the 2025 second round pick) in that deal. He did have a solid 11 points in 24 games with the Flames thi...