Haha the old anti-BSF sentiment! The 55 is not THAT crude, just not as well finished as the price would indicate.
100% on the pellet shape, should have been settled ages ago.
The .177 vs .25 story, while plausible, is almost certainly AGW fiction. And yes, Rod Lynton owned up to making up test results at one point .. he was a friendly bloke though just liked exaggerating and erm 'fibbing'.. writing things like he shot pigeons through the head at 40 yards with a Crosman pistol and trap-thrown clay pigeons with a Jackal AR7. John Darling was the real hunter type.
Brilliant bit of mass observation about the truncheon-fanciers in Shambles Square. They were probably just re-enactors wanting to get their cosplay outfits for the Battle of Cable Street.