The forum acts as a proxy for embedded images, so the server load won't increase if BCT would host all images. It could even decrease as it doesn't need to be downloaded by the server every time.
I remember theymos saying that bitcointalk has a image proxy
here,but I forgot about it when I wrote that post. So thanks for correcting me,a very few people do that,but nonetheless.
The forum wouldn't get better if it becomes too easy to add many pictures to posts. Now imagine seeing all kinds of different smileys and memes all the time, it won't improve the forum.
This would be a nightmare. Spamming would actually go to a next level.
But bitch you ain't gonna get merit for that.