There's only one strong point: If you legitimately think this would be damaging to the game (as in, it would damage the economy) you either:

A) Don't understand the original point
B) Have a very limited perspective on the MMO market in general

I'm fence sitting, because I don't think it would necessarily help anything, but to think it would actually damage the economy is stupid.

Also add to the fact, that the people who are going to buy gil are still going to buy it regardless.