Is it because of the soy in food turning Japanese weebs into even bigger numales?
What happend to characters like Spike Spiegel from cowboy bepop
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now they get replaced with this
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Although I look nothing like Yukiteru, I relate with him on being timid and I'm sure lots of other guys who watch anime feel the same. Timid skinny guys/fat guys gets no love, while the tall, masculine, confident guys gets all the foids in real life. Anime is the opposite. Future Diary's Yuki is a scrawny spineless pussy who has a hot girl stalking him, something that will never happen in RL.
In fiction in general foids tend to like all kinds of guys, not just Chads and Tyrones, but this seems more prevalent in anime.
Future Diary isn't the only one nor the first to do this.
In Rosario Vampire the main character is a spineless 4/10 who has abunch of hot girls all over him, hell a Chad character was brushed aside for the 4/10 manlet character.
In Bamboo Blade one of the hottest girls in the anime is dating a manlet who's even shorter than her.
In a Certain Scientific Railgun one of the girls in it was taking interest to an overweight guy(girl in avatar is the one)
In Panty and Stocking, Stocking falls in love with a fat gross slob in one of the episodes and is in fact repulsed by Chads.
I can keep going, case in point, seeing that inceldom is on the rise worldwide Japan especially, I guess animators are either A. Incels themselves and want to insert themselves in the anime they're working on or B. They see money to be made if they pander to the incel demographic.
In any case waifus and anime like these likely wouldn't exist if RL foids were attracted to all kinds of men, but sadly that's not the case.
That's my theory anyway as to why many MC's aren't confident gigaChads.