There are two kinds of collectors, one's who want a pristine machine and ones that want a souped up version with all the bells and whistles. Look at antique cars, some people want a pristine Model T, other want fancy running boards, new colours, maybe a bigger engine, etc.
So as we go forward as a collector community we need to address those concerns. Replacing chips that are dead, cleaning the equipment, etc. There are old radio collectors out there that are similar. The Amiga world isn't that unique.