00:29:692 (1,2,3,1,2) ^

ty koish

both is acceptable, the rule and guideline say "fully', which all the note you mention here arent fully overlap, they are slightly space out
take this map https://osu.ppy.sh/beatmaps/4056032 at 00:24:225 (1,2) for example

01:03:276 (2) is 1/1 beat so the rule & guideline dont even apply here

this is perfectly fine on hard diff, and shouldnt be mark as a problem
take this map https://osu.ppy.sh/beatmapsets/1988616#osu/4412270 for example

721 is more correct
727 is slightly too delay

it will ignore wat happening in the music if you choose to not map the guitar here
the guitar in this section are overtaking other sound due to it being irregular and also more prominent, but more importantly is it the only section where guitar are irregular

you can still map the drum & hit-finish, but the guitar should be the most prioritize sound so it fine to sacrifice drum & hit-finish like 01:46:259 to reflect the irregular guitar better

if considering only the diff (so ignoring metadata), it unrankable due to all difficulty being too hard, and having rhythm dat break ranking rule, for ex. normal diff 01:17:374 (1,2,3), 1/4 triple or doubletap arent allow on normal diff
i explain abit more here 2290908#4781542

"isn't interesting enough to gain traction" dont rly matter, cus only BN are the one who can actually nominate your map, so it all up to BN

how many diff the map have both help or worsen the chance of getting BN, some BN prefer small spread, some prefer if the map have atleast insane, etc
for this song though i think making insane and even expert will be nice, there are many section where the song support it and can do cool pattern

it fine to ignore alot of sound that you arent focusing on even if it more important than the sound you are focusing on easy diff, cus player at this level only rly listen to the main sound which most of the time is vocal

WUWOOWOWWOOWOWOWOWOW op mentor

ima say no to this suggestion
02:43:938 part feel pretty fine to me

i can see why 02:45:703 (1,2,1,1,1,2,1,1,2,1) feel maybe slightly too much, but i think it still ok
the difficulty spike look fine cus the pattern is still predictable
i think it dont make the 3rd kiai look less hype cus the 3rd kiai is still alot harder especially when it last very long too, 02:45:703 last very short and the scary song in dat part only appear once