Ditto all the above. We follow the rules as set by the CAA. If you don't like it complain to them. And the R/T would be even more concise if we didn't have idiots wasting time, "trying to make a point" and needing prompted for readbacks, especially for mandatory items such as QNH. Its a few extra syllables on first contact, if its right we don't even need to acknowledge it. Not really much of an effort is it. And don't pick on Heathrow. The three major UK airports I've worked at have all been the same as is all the private airfields I've flown into.