Trust is not "marketing materials". Folks trust that you keep those promises, that their code ist safe. Your product is trust, not the application. Code and application are just the vehicle to deliver that.
If the founder had done a big b2b ad blitz without that stuff, sure, some griping might be warranted. But this isn’t that: some fledgling product website went viral-ish in HN and you’re complaining about the digital equivalent of the paint not being dry.