1. Vance built a lot of support in Silicon Valley.

2. Tech donated to Vance (and Trump) under the understanding that they would be a protected class.

3. By tagging Vance publicly and directly, he’s calling a favor.

4. If Vance doesn’t take action, it’s a signal that he’s not worth investing in.

> Vance built a lot of support in Silicon Valley.

That's a polite way of saying Thiel successfully installed a puppet as the heir apparent to the most powerful position in the world.