I can't imagine any good comes out of these tags. The finance one is so vague on a website about finance that it's like have a programming tag on Stack Overflow. And the soft-question tag just invites career inquiries.
As for the soft-question tag, I agree with @Tal Fishman, that it is appropriate for the site, and should remain. I had a quick look at questions tagged with soft-question. Many are are closed, and occasionally, hilarious.
Should we start a finance tag clean-up, do you think? I think there are less than 30 with that tag on Quant SE.