I will start this too long post by stating I'm glad to have been proven wrong with how great an event the WBC has become. When Bud first introduced this I didn't think it would gain any sort of sustained popularity, and it's turned into must-watch television rivaling the 4 nations hockey/olympics in terms of a sport showcasing most of its best on teams put together based on a mix of citizenship and cultures.
I think the best thing the WBC has done in this format is expose people in the United States to the passion for baseball in other countries - particularly across Latin America. That energy/excitement for the game has rubbed off in the United States, just as many of the players and fans from these other countries have become dual citizens and are excited to be part of the American experience. No country can say that more than Venezuela, their people are having a fantastic 2026!
And just because Team USA didn't have choreographed home run celebrations that carried all the way out onto the field like other countries did doesn't make them stoic/unlikeable unless people are looking under every rock to make that contrast. Had team Japan made the final, I guess we'd all be upset about both teams being too stoic because cultures didn't include TikTok routines when something good happened for either team. Reality is that every single one of MLB's teams will have some goofy dugout celebration every time someone hits a HR on Opening Day in a couple weeks - in every MLB stadium throughout this country....and what's best is that will include players from all over the world on the same team celebrating together over the course of 162 games and not just a 2.5 week preseason tournament whose initial goal is to grow the game internationally.
I also see Bryce Harper getting dragged over the coals by the same people pining for US players to be more likeable/passionate for their country, for pointing to the US flag on his jersey while rounding the bases after tying the game up in the 8th with a home run. Meanwhile Team Italy, who are entirely American born citizens, are given props for taking stereotyping espresso shots and kissing cheek to cheek like they were taken to the stadium in a Venice gondola. Team Venezuela were draped in their colors throughout showing their national pride, and rightfully so - it's no secret and unfortunate that when Americans do it, way too many people are offended.
I think Derek Jeter said it best, when asked if the WBC is now a bigger event than the MLB World Series - at least from an American's perspective:
“I think the people that say [the WBC] is bigger than the World Series, never played in a World Series.”