Unlike `i`, `g`, or `p`, the variable `it` is an actual word in English, similar to other pronouns used as keywords, e.g. `this`, and other English word classes

Unlike `i`, `g`, or `p`, the variable `it` is an actual word in English, similar to other pronouns used as keywords, e.g. `this`, and other English word classes, e.g. `if`, `class`, and `try`, so your example from Apache Groovy doesn't really fit the argument.