tanek: You seemed so dead-set against this idea that I figured you must have had reasons it would be bad.
You have proven me wrong a second time. :)
Hickory: No, I'm not "dead-set against this idea", what irks me is the fuss some people make because they feel they're entitled to something they absolutely are not. It's the 'gimme, gimme' brigade that gets my goat.
People have given reasons for why they think it is a good idea.
--Ease of install (GOTY is essentially a patch roll-up for people who have all the content)
--So it will show as owned in any bundle offers down the line (sometimes, not accepting all the unowned games in an offer changes the available discount)
I don't see this as a "gimme gimme" brigade. As you yourself say, they are asking for no more content than they already have. So I don't understand how this request harms you in any way, especially since you can't list even one downside to making the change.