Most big companies attract rule followers. They err on the side of avoiding taking risks like this, which is why they work there (and why there’s so many in this thread talking about rules). It benefits big companies to have mostly rule followers because you can’t have a too many people going in different directions. You need stability and a unified direction, that usually comes from the rulers making the rules. The fewer rule breakers generally find their way to the top, or get canned

This employee’s decision to break the rules, while addressing a real need in the market, must have really pissed off some people above, for better or worse. Google could have just rolled with it but I’m sure it would have stepped on someone else’s plans. Career defining moment, but they didn’t have the political capital it seems. I don’t think they will have much trouble finding work elsewhere though

See also: Power: Why Some People Have It--And Others Don't

Corporations have money and money attracts lawyers. Some discipline would have been required for the trademark stuff because you have to be very careful about it or lose your job.

Now, did something cause other issues that converted this from formal "don't do that, use the official process" and nothing more? Sounds like something caused this to escalate. It could be toes were stepped on, could be a bad reaction to the warning, or could just be wanting to cut employee numbers in a shortsighted way.