[blotter_paper]

From the about section (emphasis added):

>Subreply was created by Lucian Marin from the desire of a having a simple to use, English only, public forum that has nothing in common with ancient and untrustworthy social networks.

[...]

>Limitations

>480 characters per reply ASCII only because it works everywhere

I could see this being a xenophobic thing, but I could also see it being more about the limited character set (for minimalism). I'm not making a claim about the motivations, but either way your desire seems counter to his vision.

[unityByFreedom]

Where does Unicode not work? It’s been everywhere for years

[jchook]

He even has emojis for the "avatar"...

[aabbcc1241]

Because the content density varies in different languages.

For example, each english word has ~7 ascii chars, but each chinese / japanese / korean words only has ~2 unicode chars

[unityByFreedom]

That doesn’t have anything to do with the tech being standard and easy to implement.

[jdck1326]

It could also be a moderation thing. If the people working on the website mostly just speak English, then it will be much easier for them to moderate an English-only website.

[alpb]

that's xenophobic :)

[bugmen0t]

Names of people, events, trends…