2. I believe you, like many others, conflate 4chan's right-ward overton window, with "less" moderation. moot had a saying "one man's shitpost is another man's board culture". You perceive 4chan as having "less moderation" because your world view aligns with 4chan, not because they do less moderation.
This is exactly what RapeApe did with /pol/. Because 4chan is less transparent, it feels like there's no curation; especially when what stays on the board feels like "board culture". Would infinity-chan and other boards would exist if they did their current style of moderation of silently deleting posts instead of moot coming out and openly lambasting gamergate?
4chan moderation used to be way more visible, especially under moot, because moderators actually openly interacted with the board. Now that moderators are functionally anonymous, it seems like they don't try to influence the boards, when in actuality, 4chan mods are far less transparent.
People once believed 4chan was less moderated because they stopped seeing "(USER WAS BANNED FOR THIS POST)", when in actuality they just removed the posts instead.