Covid was a new virus that popped up in 2019, chilli peppers are ingredients we’ve been cooking with for thousends of years. We’re well aware of their effects.
Yes it’s a nuero-toxin, but it takes a lot to kill you. There’s sauces out there that are millions of scovilles higher than either of the chillis in these crisps, as they’re made with extracts and people eat them without dying all the time.