... even if people don't buy tickets, even if the US players and fans don't really care.
According to this article in this week's Sports Illustrated (premium content -- paid subscription required), it's because MLB wants it to succeed abroad, and doesn't really care about the US audience:
The article also says:
- fewer than 20% of the 49,000 available tickets for the US' first two games in Phoenix have been sold;
- pitch limits will be 65 for early rounds and 100 in the championship game;
- MLB is "confident" the Treasury Dept. will withdraw its objections and allow Cuba to compete;
- sometime later this week, it will be announced that ESPN will televise some of the tournament.