[smt88]

They don't have a moral obligation to use their infrastructure, brand name, and legal funds on something they think is risky or unethical. This is much the way UPS can decline to transport whatever they want to.

If it bothers anyone, they can use one of the many competitors or send the emails themselves.

[SlowRobotAhead]

And when a competitor isn’t really the same thing? Such as when google starts “curating” their search results?