"Every day" = each day. "Everyday" = commonplace. Honestly, this is not a hill to die on. I just noticed it once and now it seems to be everywhere...
Livin Covida Loca
First, full marks for the Covida Loca reference. This I liked, very much. Is it in bad taste? Almost certainly. More a crime against language, and therefore against humanity itself is the "everyday". "Everyday" = commonplace. "Every day" = each day. Thank you for your attention.