It’s not a crusade :) but you do start sounding like a sugar industry shill. You can’t possibly justify, in good faith, giving humans cancer as a precondition for a study that the main thing to check is if sugar accelerates it?

If you want human studies here’s one:

The negative and detrimental effects of high fructose on the liver, with special reference to metabolic disorders:

https://pmc.ncbi.nlm.nih.gov/articles/PMC6549781/

As I said earlier, learn to google yourself.