Hey Apple, what's with these huge minor updates?

Today there was a small update to iPhoto from Apple. Even though it was a small fix the download was over 100Mb!

Now, while I have a good internet connection, and the download didn't take too long, but it still costs me money:

But really, not so long ago, there were installers that could make a diff between a current version and the new version that just contains an efficient difference between the two.

How about getting back to those efficient days again?