OP/ED. Yes, they're very good.
Typesetting. Yes, it's very good.
Knew. Past tense. Menma's dead.
1. Never use this phrase.
3. Never use this phrase.
Not quite a question there?
more like. He already did the action in question.
C-tier editing only excused by high-quality typesetting and an interesting translation (they had some pretty good jokes and phrasings in this episode).
Oh, fiddle sticks! The reviews I wanted are still not here.
You said you'd review SHiN-gx's Hanasaku and/or A-Channel.
Huh, I guess you're right. Anyway, they're 6-7 episodes behind. Glad you're a fan of them, but I'm not gonna publicize a group that can't competently manage their own projects.
Ehhh… Give all groups a voice out! But then again, it's your choice. If you want to review at least one of their stuff, just go with Hanasaku instead of their A-Channel.
Actually, since 'God' is a proper noun, and the phrase 'Oh my God' is a shortened line from what one would normally say during a prayer, the capitalization of the letter G is correct in this case.
Also, the confusing and improper use of capitalization stems from the persistence to disambiguate the concept of a singular God, specifically the Christian God, from pagan deities for which lower case god has continued to be applied, as a form of disrespect and suppression.
"Oh my god" vs "Oh my God" depends on if "God" is being used as a proper noun by the author. Some people will say "God" should never be capitalized there, whereas some will say it should be.
For "mom" and "their kids", the editor is using a singular they. Not good in formal writing (or to traditionalists, but fine for a teen girl).
So no, the editing is not really as bad as it seems, though it is a bit sloppy at parts.