Why are binaries/executables so large on Windows?

[Stewart Gordon]

"Jarrett Billingsley" <kb3ctd2 at yahoo.com> wrote in message 
news:f7r6fp$1ahq$1 at digitalmars.com...
<snip>
> This 70KB is largely due to the runtime type info which is included (and 
> necessary) for most of the runtime to use.

Most of the runtime?  Why?  At the moment we have:
- AAs
- sorting
- variadic functions

(Is RTTI basically just the TypeInfo classes in D?)

Of course, garbage collection could also use RTTI, but does the current GC 
implementation use it?

Moreover, ISTM that even if the runtime does need RTTI, I'd think the 
average program wouldn't need it for every single type in the language, the 
program and any library it uses.  There ought to be a way to optimise by 
linking in the RTTI for only those types where it's actually needed.

> This also includes the garbage collector.
<snip>

What does - the 70KB, RTTI or "most of the runtime"?

Stewart.