Hi @Kaz_KV, I was in a similar situation, deciding between MSPPM-DA and MSDSPP, and ultimately decided to go with McCourt (will be graduating in May). You're absolutely right that there is a big difference between Heinz's focus on data analytics and McCourt's focus on data science, and I got a pretty strong impression that the DSPP program was much more technically rigorous than the MSPPM-DA. (Revealingly, when I attended the admitted students day for Chicago's MSCAPP the guy who ran that program said he held the DSPP program in much higher regard than the MSPPM-DA.) The DSPP curriculum is more of a data science master's with a few policy classes thrown in, while the MSPPM-DA seemed to have a much higher ratio of management-type classes to technical classes.
Like the above poster said, if you want to be a Data Scientist in the private sector you should just do a master's in data science. But if you want to be a Data Scientist in the public or non-profit sectors McCourt will much better position you for that than Heinz, in my opinion. (And a few people from the DSPP program actually have gotten Data Scientist roles in the private sector, but I don't know if that's also true of Heinz.) There are pros and cons to both schools, obviously, but I wouldn't put too much weight on one pretty prolific poster's opinions in making a decision.