A recent blog asks the question: Is Univision’s in-house ad agency good for the industry?
It's more of a matter of dollars and cents Vs. sense.
Why outsource what you can do yourself?....and from a position of strength? - is there a stronger domestic brand in media than Univision? Univision (like many media companies) is an expert in production and marketing -- reinvesting in marketing (themselves) will help their bottom line in the short/long term and guarantee complete control in the (marketing) process.
Here's a link to Jose Villa's blog: