A) Polling rate is 100ms not 300ms. Do people really not remember that update?

B) That gif is outdated largely due to the change to 100ms from 300ms, and overall server improvements. If that's still your experience then there is something else wrong. I haven't seen anything that bad outside of a packet loss event and that's a web issue that the stats from WTFast prove. It's simply not relevant anymore. Bringing it up now only really serves to show how much things have improved a year later.