It is a game meant to entertain and I honestly pissed that some arguments here actually ignore some of the essence of classic D&D experiences.
Interesting that chess is mentioned because when it comes to level scaling chess softwares actually revolve around it. Sometimes people boast about beating a 2100+ computer opponent but if you're observant some chessbase programs actually adjust their playing level real-time (you make a mistake, it then adjusts and intentionally makes a mistake, maybe a positional mistake or something subtle).
Blanketing level scaling with a freaking narrow mind like a rook or a bishop disappearing on the board is idiotic. Trying to exaggerate things to push your agenda when in reality the implementation is much more complex.
The point here is entertainment. People forget the classic role of a Dungeon Master, adjusting things here and there to keep the game entertaining.
Truth be told, right now I honestly don't care about Larian. They've made a lot of decisions that I really don't like. I drop by casually to see if anything has changed.
Skyrim is known for level scaling. Oh the horror of what a failure it became because of that. It is so game-shattering.
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side note:
Larian has made some decisions that even months before the game's release and even before kickstarter I got the feeling that the modding aspect will fail. Oh the smirk on my face when I returned and actually encountered a thread confirming my instinct to be spot on.