Clearly something strange going on here. Tested in 1.7.10, I keep getting different results.
http://i.gyazo.com/c01bd4e7407f5cf587fa25ff726aacbf.png
http://i.gyazo.com/a367cb94dec9ed31e3d8d727bfb80bbc.png
This report looks similar to earlier reports of comparators looking activated despite not receiving an input, but this is not a duplicate as I am pointing out the timing issue this causes. The bug makes it much harder to synchronize redstone creations with comparators in them.
Yes, it still needs fixing.