Sam Altman might himself be offended you would presume he’s not ambitious enough to cheat.
It seems that Buckmaster and Levant (who is an Anthropic employee) were rather naive in the amount of trust they had in OpenAI, with Buckmaster going so far as to contact OpenAI's Sébastien Bubeck to discuss what they were working on and clarify that contrary to rumor this was a private collab.
Not just Silicon Valley but also OpenAI, specifically.
There is no doubt ChatGPT is the most generous LLM provider!