Did you do a peroxide dip on the case or something to whiten it?

Why not an interior perimeter drain like all the basement waterproofing companies sell?

How will this affect sales of switchblade hair combs at local flea-matkets?

Yes, in a reddit post from one week prior in the same subreddit. OP is reposting. If you would care to examine the hyperlink, you would notice the above commenter is pointing out the original post that traffic should be directed to and not the bbc article. Basic technical literacy, like being able to distinguish between a reddit link and the content it links to is an essential skill.