A common usage for "insisted" (in American English, at least) is "did so with no apparent consideration of the effect," in a generally passive-aggressive contex

A common usage for "insisted" (in American English, at least) is "did so with no apparent consideration of the effect," in a generally passive-aggressive context. "He insisted on chewing with his mouth open, I mean, ew. Gross." The offender is generally expected to read non-verbal, and often non-expressed, communication of the offended's opinion.