Because once it gets sufficiently well known, it may back-fire in the long run in their "home market" (which is still their most lucrative, even if the potential for growth is not that big).

This is why it's important for the public in stronger democracies to know about these deals and terms.

Compare the NBA reaction to Daryl Morey tweet about HK protests, and the WTA reaction to Peng Shui situation. Tides are shifting.

But, the appeal of such a large consumerist market (funny, since it's supposedly "communist") like China is not going to become any easier to ignore going forward.