Thats not the point it was always like that not a recent thing.
A lot has to do with experience and nervousness. you get the PPL who talks very slowly often giving their life story rather than being snappy, precise with only the relevant detail.
Its strange how you can almost tell the experience of a pilot by the radio calls and confidence and may I add authority the caller gives when making those calls.
Too many are in awe of the units they are talking to.
I can remember crossing Birmingham and ATC gave one clearance to one guy who sounded very unsure and convoluted and basically kept him well clear while another was given a clearance through the zone which they then updated to IFR.
You only have to fly IFR through London to see how incredibly busy ATC are and how short and snappy the radio calls are and have to be from professional pilots to realise the huge difference
So be short precise snappy and authoritative in those calls especially if you want to be taken seriously