>>10942232Let's be honest, it's probably because of Nami and Robin's cleavage.
Those toys are based on the Post-Timeskip era, so if they made them, they'd have to look like this.
This line is sold at mass market retailers like Wallmart and Target. They're probably worried that some Karen is going to see it in the video game section and have a meltdown about anime trying to groom her precious little boy.
Also, unrelated to that, translating Robin's powers in to action figure form could be tricky.