That is a valid way to look at it, sure, if you wish to drag along all the not-relevant negative connotations. But this is in addition to salary, so no different than other perks such as a company vehicle. And Nvidia employees could presumably work for other entities. Additionally, the tokens are for a very specific purpose, and not related to a life necessity in any way - you're not buying food with Nvidia tokens as was the case with company scrip.