Customizable pronouns

[Gwenorai]

It's very widely accepted as singular. You just rarely notice when you use it as singular until someone makes some noise about it. We naturally use singular they when referring to someone whose gender we don't know, for instance. Arguing that it's exclusively plural is fairly recent historically.

Yes, it is accepted as singular in common day usage, you know, average every day. Like; 'Hey, they're over there.' compared to the 'He's over there,' even if we know the gender of a person.
It is still argued to be plural. That's just how English has evolved, and how finicky people are. The singular has only become common these days due to certain factors, the movement in gender inclusion. Where a person is better off using the neutral rather than going off appearance alone - this wasn't common back in the day. I'm talking about a decade ago. This only tended to happen when someone has a unisex name, and you didn't know how the person looked or heard their voice.

Will it change so everyone will accept this? Perhaps. But you will still get people arguing that is is plural regardless of historical use. And I would probably still get marked down if I used they/them as singular in an English examination depending on who was marking my paper in regards to proper grammar usage.

And thus a lot of news papers adjust in regards to its usage, preferring to use the name of the person and write around the usage of using specific pronouns than actually use they/them.

Again, this may change in the future where it's completely wiped out and singular use is seen as the actually grammatically correct norm. For now, it isn't. And you will still get professionals arguing about it.