As explained in the judgement, being well-known is irrelevant. This is not about consumer protection, but about brand protection.
You are right that the decision has the potential to confuse consumers. However, that is on Open AI, they should have consulted trademark lawyers earlier, and should have rebranded after shifting from open AI to commercial AI.
You are right that the decision has the potential to confuse consumers. However, that is on Open AI, they should have consulted trademark lawyers earlier, and should have rebranded after shifting from open AI to commercial AI.