From beginning Konohamaru was idiot who easily swayed by his emotions.
I think that make sense. Boruto didn't inherit Byakugan from Hinata. His one eye Byakugan was to show he share his body with Momoshiki rather than in unity.
Its black hole absorb large area and its center was far away out of Sarada's area of sight. For large area absorption skill, usually Kamui black hole would start on or near user body. For long distance, Kamui only absorb thing inside certain area of effect, inside user line of sight.
It could...
Taitenshin is wordplay to Daihenshin. Summoning bike and repeated word gimmick is Heisei Phase 2 gimmick. Amun seem close reference to Kamen Rider Beast who use power from Chimera
If he only use problem solving to check on Takatou's stat, as long as he didn't intentionally search method to "kill him", I think he would be alright.
Similar to how it is okay to transport Takatou. Well, IF, Takatou found out what he did and somehow want to kill him, then he doomed.