Another Article from Tim Cato
Took some of the relevant portions from Reddit:
However, those team sources consistently express belief that Dumont no longer sees Harrison as a figure with irreproachable basketball expertise. Most notably, team and league sources say, Dumont has had frustration with Harrison not warning him — or, perhaps even more damningly, being unaware — of the fandom's outrage following the trade. Those same sources say it had some influence over Dumont's decision to make Harrison appear for last week's closed media event, which Harrison did not want to participate in.
While Kidd was understandably frustrated this season with the team's injury crisis, he also resented the front office's midseason Dončić trade, multiple team and league sources say, even if he shared some of Harrison's frustrations with Dončić that led to his trade of him. That Kidd felt he had been asked to reinvent what had been a roster built around one specific star, team and league sources say, led to the midseason exasperation that notably culminated in him skipping a league-mandated post-game press conference in February.