What percentage of people who use their products care? 1%?
OpenAI is a brand, not a literal description of the company!
OpenAI is a brand, not a literal description of the company!
If the brand name is deeply contradictory to the business practices of the company, people will start making nasty puns and jokes, which can lead to serious reputation damages for the respective company.
A very vocal minority can often have quite some influence on the majority. See for example the Wikipedia article on "Minority influence":