It's not just Elon who is punished. It's easier to track exposure to Brazil than exposure to any high level official in a company or stockholder who may be punished for activity in another irrelevant company.
Also, imagine we realized that Sundar Pichai also had a major position in Costco. So then we started to crash Costco to make Sundar Pichai direct Google policy. And the stakeholders in both companies who don't care and are just using this as retirement strategy are exposed.