There is no disclaimer that this and many other versions don't receive any support from mojang anymore, if these versions are displayed like all the others, the launcher should at least inform the user all the versions that might not work anymore as inteded when they were launched.
1.5.2 and 1.4.6 used to actually launch and start, but today that is not the case anymore.

So for the sake of less unnecessary reports and confusion disclaimer should be at least implemented. I consider this a bug, because disclaimer should had been there from the start.