The ref didn't want to hand out second yellow cards. Emmanuel was already on a yellow card but committed as bad a foul in the second half conceding a free kick, but the ref bottled it.
There's nothing wrong in having an opinion, but base that opinion on facts. Leicester offered him a contract but that was when Knockaert's father was first ill, so he turned them down to go to Belgium, because his parents live very close to the Belgian border.
His father's health improved...