I don't fault them for having had the trope when dealing with characters that genuinely seem to have some sort of behavioral disorder like Sheldon Cooper, but then they start to slap a ‘tism label on any character for minor quirks, and it loses its value. Case in point could be seen with this little excerpt concerning Demon Slayer:
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This is starts reasonably enough; Haganezuka is a man pushing 40 who from the moment he's introduced goes about ignoring basic social cues in favor of rambling about swords and then throwing violent tantrums over often minor flaws that disturb his Special Interest. The standard method to calm him down is to ring wind chimes and buy him dango, something that sounds more like instructions for handling an autistic meltdown than a normal person being angry. However, the final part is just stupid: that obsession with his job was the question of life or death in that moment, since finishing the sword was probably the only way the demon attacking him could be killed. All the other good points, ruined by one questionable attempt to stick the landing
From there:
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Inosuke is outright said to be a feral child which has made him socially stunted, Rengoku is just a bombastic samurai. Trying to claim either is autistic based on their behavior is reaching way too hard and clogs the page.
