Their point was clearly that they are still the majority out of all other companies in comparison, just not the most compared to literally the aggregate of all other manufacturers.
Right but I'm not sure why you said, "It's not a hard concept" when the person was responding to the headline that says they lost market dominance, when that seems a bit misleading.
And aren't for sale in the USA. If they were Tesla would have lost that 50% a few years ago.
That said overall EVs are taking up a larger part of the overall market, so this is just a headline number. This was always going to happen as the other manufacturers started making competitive EVs.