Because if they are not in any circle of influence for you, you shouldn’t really be taking it on board…
Listen of course, because they “may” make some valid point at times.
However, just treat their comments as mere opinions, rather than guidance. You need to be mindful of “WHO” you take your guidance from to then act on that guidance.
Everyone has an opinion but not everyone has your best interests at heart. So be mindful of whom you get your advice, feedback or guidance from.