This thread is a mountain made from a molehill.

For the vast majority of content now, it's gone back to Tank in Need. AST is actually in a really good spot right now. There's really not that many people still hung up on card changes. Certainly not enough to cause queue delays.

The reason your queue is so long, OP, is because it's content that no one does anymore. I'm actually partially convinced you already know that that's the reason (since you wouldn't mention the specific content you were trying to do), and you're just making a stir-the-pot thread to complain about healers and not get your thread deleted.

For outdated content like that, you need to make a Party Finder to get it fast. And if you're trying to do an old trial synced (versus unsynced), then be prepared to wait awhile.