Fusible link upgrade possible?

We're having a discussion of what to use in place of a fusible link if someone chooses to do so and the pro's and con's. Not replacing the link is a reasonable way to go, certainly can be said, but it seems the most useful to the OP to answer his question too since it is neither a stupid idea nor one that has been proven to never work.

And the advice to just take it to someone who knows wiring doesn't help teach; we all had to learn somewhere from the knowledge generated by others before us. Part of these forums is to share knowledge and teach.

(BTW, I have 'professionally' designed many harnesses in the past for many uses, but have no clue what my or your 'professional' experiences have to do with somehow proving others' inputs should be ignored and mine or yours should be exclusively followed.)