you're quibbling about the tense, ZM? That's unworthy of you. The claim was made before the queen's death, in the present tense. After her death it was obviously reported in the past tense, because a headline saying "Queen loathes Boris" would be self-evidently false.
You can of course disbelieve the unnamed source, though it would be remarkable for the Sunday Times, with a long history of careful reporting (even under the anti-monarchist Murdoch) to simply make up such a quote.
But to claim that the OP and Answerbank itself are peddling untruths can only imply that you know better, rather than that you don't know either way.