Does this quantification argument hold for citizens that are considered public figures? While they might not have more free speech than other citizens, they certainly have a more visible platform to communicate their opinions
That's certainly not true as a matter of law, and I don't think it's true in terms of any sort of moral or court of public opinion either.
Magic Leap, as with any accuser, faces the burden of proof, full stop. And offhand that looks like a pretty high barrier, given that the Nreal product is so different than Magic Leap's.
Minor correction: Walmart's HQ is in NW Arkansas (Bentonville)