Then why be upset he was not staying in San Jose with the Barracuda? You do not come out to the media through your agent like the next day saying that he is dissapointing in being sent back to Sweden and that he would of liked to stay in San Jose.
“I have one more year in Europe to develop into a better player here,”
William Eklund on July 6th of his draft year
"Eklund is smart, he understands that he will develop to a better player playing on a high level in the Swedish League for at least one more year. He does not want to take the step to North American pro leagues until he is 100% ready. He had a big role on Djurgarden last season and will be a key player on the team (in) 21-22."
- NHL Director of Euro Scouting on Eklund prior to the draft.
Why he was upset when it happened is uncertain, but these are objective fact quotes from Eklund and those that know Eklund about what his plans were going into 2021-22.