The race based coverage started even BEFORE she married Harry, before she had the engagement interview, before she said a word. How do you explain headlines like "straight outta Compton" etc, even before she opened her mouth?
They did not receive "overwhelming support" sorry, that is a rewriting of history. The first public action Harry made was to defend Meghan against press coverage that had racial overtones.
On the actual wedding day, there were, I kid you not, 11 000 comments on the Daily Mail comment pages, most of the negative. Many saying, there is just something about her I don't like Feel fret look, it's all still there.
In 2017, after the engagement was announced, I wrote to Mumsnet, under my first user name, to complain about the racial overtones in the commentary here, right here on Mumsnet, which was mainly negative. Mumsnet told m that there was not much they could do about it. I left the site, and only came back in the last year or so.
There was a lot of positive coverage in the US, yes, and in Commonwealth countries, and among young people in the UK, especially teens and twenties who are more diverse in how they see the world.
But those sections go the UK that are not racially diverse, like UK royalists, Daily Mail and other tabloid readers, and Mumsnetters as a majority definitely had problems with Meghan from the very first. Even before Meghan said a word.