You don't mention what sort of role you applied for. If it was any kind of developer relations position then looking for someone with a recognised presence in the community isn't unreasonable. Even for an ordinary dev role, looking for someone who has demonstrated their ability to be sociable and work with other devs is understandable even if it sucks.
Plus you don't say when this was. Looking at social media profiles in job applications was a bit of a (silly) trend 5 or 6 years ago.
Plus you don't say when this was. Looking at social media profiles in job applications was a bit of a (silly) trend 5 or 6 years ago.