FFS. They’ve gone and killed Monica Baddingham off in Rivals. No, no, no. Book Monica goes on to live her best lesbian life and is in some of the later books.
Thursday Murder Club royally ballsed up the who dunnit and had Bogdan arrested, when he’s literally a main character in all the subsequent books.
There are some changes that can work - All Creatures Great and Small made Mrs Hall A real person, and made some matching adjustments to Helen, but those made both characters more rounded and more real. Savaging a character, in opposition to their book arc, just for the sake of it is just wrong!