I think that when somebody adds some code to their question in StackOverflow, in the question preview you should NOT be able to actually read it, instead you should see just "[CODE]" or something similar.
And image just in case:
As you can see this takes away most of the question
You could a better preview and idea of the question if you didn´t see illegible code (because of the format it is very difficult to read at a glance!)
You should see something like this:
Thanks Jared Harley!!!
What do you think about this?
Thanks in advance!!