had a co-worker once who called the variable holding the first record in a complicated workflow "rec1st" and the last record "reclst", unaware that in every font used by every code editor except his, a lowercase l and number 1 look identical.
i spent a day debugging that after he quit.
the company that's upset at youtube ad blockers because "content isn't free" is mad at the canadian government for saying "content isn't free".
got it.