It's nice to see the dev addressing the possible misunderstanding and over expectations in regards to the rules idea.
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(it's open for everyone to read)
I also at first had this boom of excitement when i first saw them "omg will we be able to chose what rules get removed/added?". But cold shower came quickly - wait a minute we play from Harry perspective, how would that work ? Then also you gotta realise how many scene variations and writing would need to be.