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Regarding the first point, I will remain silent.
Regarding the second point, I don't consider it a violation, and I don't think it needs to be stopped. I wouldn't use it myself, but it's a personal matter for each player, and I won't oppose it.
Regarding the third point, I've already said that I think recording should be taken much more seriously. And if such inactivity continues from the same person, some kind of punishment should be applied. A ban for the next three Mafia games, for example, so they can sort out their real-life issues. :D As for replacements, it's possible to replace players who have dropped out, but be stricter about the information available to them. Allow a replacement only if all the information available to them is indeed 100% accurately identified by the correct side.