Jean summed it up simply as, "We talk about it, but if we do it we only want to do it if it's going to be really good. We would never do it just to cash in, so if it comes out, it's because we believe in it."
Back in 2009, Groening didn't seem too enthuasistic and a sequel, stating it was an arduous development process that took four years, instead of the planned two.
Other questions were about why the Simpsons' characters are yellow, Kelsey Grammer's Sideshow Bob, and which celebrity guest stars they'd like to appear on the show (including Neil Armstrong and US Presidents)
Season 28 of The Simpsons will premiere on Fox on September 28th, 2016.