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Konami famously implemented official tournament rules specifically targeting player hygiene in 2019, saying that all persons attending a tournament not just players must be clean and wear clean clothing, or risk being penalized. You are expected to be clean when you enter a tournament, the official Yu-Gi-Oh Tournament Guide says

It's like a one-size-fits-all pair of pants, but, you know, for cards

Simply because there are no alternative programs to compete with these tools at that level, or at all

With their no fuss simplistic albeit sometimes too simplistic playstyles these packs allow for people to get into the game and focus on one specific class at a time