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I say that because people think they need $100-$300 sneakers - just like a pro; and titanium golf clubs (Expensive substitute for aluminum unless you're making fighter-jets) and any number of other "pro" level (in price, at least) items because they need that edge - so they can win in the Olympics, I suppose.
The main advantage of the larger address sizes is to allow larger amounts of directly accessible data (max. amount data/file -> max no. records in table -> and so on). Very large calculations with very large number. For such purposes it is useful to have 64bits, but only for a very few. IP and MAC addresses need to have ever larger sizes available, but in most aspects of your claim I agree: everyone seems to think they need to buy a system that is designed for needs they won't have - but it makes the feel good to think they need it.
Hi Greg no one is ever going to solve these sort of clues - you have to play by a set of rules and you shouldn't need specific knowledge of anything to solve it ( bridge in this case ) ( if no one solves your clue you have failed as a clue setter )
A globally acceptable way to write your clue could be
Formal agreement to reduce (8)
"We can't stop here - this is bat country" - Hunter S Thompson - RIP