Or Stack Overflow's "We are less than three people who code."

No that's a reversed-R which happens to look identical like a Cyrillic letter. I don't think that's a problem any more than getting confused and trying to pronounce a circle in a logo as an "o". In contrast, the text here is trying to look Greek but doing it poorly.

Or Nee (Nine Inch Nails: NIИ)

another offence is using sigma (∑) as a stylized "E" or uppercase lambda (Λ) as "A" (see NASA logo).