There's really no way around the need for written grant proposals, so the solution seems like "research teams should allocate a decent wage for a good grantwriter". Surely there are talented technical writers out there who would happily join with these noble causes, if only the jobs were there (and financially viable for the writer).
As much as I'd like to do my share in X, if I can't make a living of it, I won't dedicate my whole life to it. Some will, but many won't.