It's people like you who kill companies. The amount of people that have problems with android 4.3 on their htc one is really low. So considering that fact, there isn't anything wrong with the update. If you DO experience problems, it is easy to fix with factory resetting.
If a large amount of people have trouble with the update then it would be a fact that the update is troublesome, but It isn't. So do something with our advises and fix it.
Just remember why not everybody gets the update at the same time? Every provider puts the update thoroughly to the test and only, ONLY when it works good it is provided via OTA.
I'm not attacking you or something but I'm just trying to help you and others that experience this. If you keep on talking like 4.3 is something buggy, people will be scared and leave the update or even have a bad feeling about HTC in general.
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