> I'd actually prefer going into the other direction: preload much more
> than now, and remove lots of stuff from autoloads. This will probably
> need a different strategy for preloading (Daniel's approach, or
> Rmacs, or an Elisp LLVM compiler, ...).
I don't have an opinion on this topic; I admire the work of both Daniel and Ken, but I'm happy to defer to you and other experts for technical opinions.
I'm absolutely not an expert on this. All I'm suggesting is that the impact of such changes should be measured, and that startup time in batch mode isn't everything.