I agree: those of us who live in this city (Bogotá) and adore it because it opened its doors to us and embraced us, or those who were born here and honor it with their diverse and picturesque range of accents and intonations –"do Bogotanos have an accent?" someone once asked me– should treat anyone who talks about the Bogota metro like the madman they are: go along with it for a couple of minutes and then change the subject, that's it.