I have no idea why some people are so driven to defend a stupid sweetener that is viable mainly because of a stupid sugar embargo. I know what I experienced about 30 years ago in figuring this out.
What was the big push right after Obama’s first election? I can’t remember the name but it was all panic in the media about some super virus.
I'll put it this way: there is no biochemical mechanism that could possibly explain that. To your body, mixtures of fructose and glucose are identical whether they come from table sugar, HFCS, or honey. The same enzymes digest them all. If you cannot digest fructose, I would expect to see those symptoms when you consume any sugar that contains fructose--including table sugar.
When you eat a sugar that you cannot digest, the symptoms are similar to what you describe. Lactose (milk sugar) is one such sugar, for many people. The sugar in beans is another. The non-sugar sweeteners sorbitol and xylitol have that effect, too.