The received wisdom about your favorite Doctor from the various iterations of Doctor Who is that most people prefer the one they grew up with, or the first one they encountered. Your first Doctor is the one who established what the Doctor is meant to be. In that regard, Tom Baker's Fourth Doctor has an advantage, simply because his unmatched seven year tenure in the role made him a presence in more people's childhoods.
Even without that statistical advantage, Baker's Doctor still towers above his peers from the original series in terms of reputation and affection --- and his most enduring companion, Sarah Jane Smith, is still one of the most popular companions, brought to the screen by the late and beloved Elisabeth Sladen in multiple series. So it's no surprise that Titan's next Doctor Who mini series, following on from those spotlighting versions of the Doctor most recognizable to modern audiences, will bring back the Fourth Doctor and Sarah Jane for brand new adventures.