As someone who spent a lot of time learning kanji alone, there's not much you can do with kanji alone. It's a helpful step in learning actual words, learning strokes, finding patterns, but I'd be skeptical of the utility of this list.
If you're going to rote memorize something, I'd probably start with the radicals.
I've been in that spot. Not quite 50 hours, but and not exactly ghosted, put a lot of real time and dedication into a lengthy project and questionnaire, to get back a 'no, sorry'.
I responded for some clarification: Where could I improve? What would make me a more attractive candidate? Nothing. We're a pretty close-knit tech community (Boulder) so it felt like a real slap in the face.
I manage dev hiring at my company, and when I give take-home assignments, I make sure to give them a timeline of no more than 2 hours. If you get to that point, it's okay to tell me what you would have done, as I should be able to tell by that point if you know what you're doing and could accomplish it.
"Busy" is not an excuse. If you've got the time to interview someone, you make the time to treat them respectfully and provide quality feedback.
For once, there's nothing political or divisive. There's no one to be mad at. It's not "us or them".
The world's top experts came together, volunteered for a
dangerous mission, sacrificed, and pulled it off. Ra! Ra! Humanity! Feels like a brief moment of redemption.
If you're going to rote memorize something, I'd probably start with the radicals.