I see the questions as virtually identical. Overpaying a card to have access to the credit. The reasons may be a bit different, but I don't see this as substantial.

The HK answer also has a UK answer. It seems to me the question isn't being answered like a tax question, "The law here is that...." but people offering their experience.

I'm reminded of the "paying my credit card debt in Australia" which was a debt question having nothing to do with the country named by the OP.

I see the questions as virtually identical. Overpaying a card to have access to the credit. The reasons may be a bit different, but I don't see this as substantial.

The HK question also has a UK answer. It seems to me the question isn't being answered like a tax question, "The law here is that...." but people offering their experience.

I'm reminded of the "paying my credit card debt in Australia" which was a debt question having nothing to do with the country named by the OP.