I remember the moment that I saw someone who uses the plain GNOME 3 desktop for the first time when the only Linux I knew was Ubuntu - it was not "weird" but is was enough distinctive to me so that it dragged my all of attention.
I'm genuinely curious if there are places where this actually draws attention. Especially when the linked article talks about "suspicion" not just curiosity.
Same for cafes. Once, the owner struck up a conversation because he himself was a former dev.
If everyone in a workplace spends all their time on corp gmail (white background) and in terminal sessions to some mainframe somewhere (let's be generous and say teal text on black in like 20pt courier), anything that doesn't match either of those appearances will stand out pretty dramatically.
The most unixy iconic serif monospaced font I can think of would be Sun's Gallant Demi: https://images.app.goo.gl/Nx2wzRvY71DczMVdA
Or more recently, the Golang monospaced fonts: https://blog.golang.org/go-fonts
Direct link (no idea what the google wrapper does; the related images are completely different fonts): http://www.furorteutonicus.eu/wp-content/uploads/2014/06/con...