Here's hoping they don't stuff you up the arse of something on the approach thinking it's smaller than it actually is... how's your unusual attitude recovery skills?
The procedure is in place to save your ass from ending up upside down in the middle of Hounslow old chap. If it pisses you off that much, maybe you should try to avoid flying into Heathrow until you're able to deal with the massive increase in workload that reporting your aircraft type entails.
Another thing that eats up radio time is `When established on localiser 27 left decend with the glidepath`
Why not just 'cleared ILS 27 left'?
Here we go again.....