I don't understand why Larian is focusing on needless cosmetic stuff (some improvements, some like Raphael decidedly not) when bigger issues like gameplay exist. Devs need to look at the simplified leveling up and do something about it, not to mention add another difficulty layer. There's nothing difficult about Tactician.
This is likely less someone deciding it needed to be changed, and more likely an unintentional change that came about through bad product management + rushing to get the Mac version / Patch 3 out.