Advertising is different - that's marketing spend, not core product engineering. Plus getting on Elon's good side was probably seen as a way of getting on Trump's good side for a few months at least.
If you are building actual applications that use LLMs - where there are extremely capable models available from several different vendors - evaluating the bias of those models is a completely rational thing to do as part of your selection process.
If you are building actual applications that use LLMs - where there are extremely capable models available from several different vendors - evaluating the bias of those models is a completely rational thing to do as part of your selection process.