> But can you explain how and why that is actually a better idea...

> ...so you should have very good research to back up a claim that the global flat rate tax is the better idea.

Should I presume the "you" in these sentences is me? Or is it some hypothetical future person making such claims? If you did mean me, I don't understand what part of what I wrote was me making any claims of superiority of one system over the other?

My comment was pointing out that the grandparents comments should not be written so definitively, where much doubt exists.