During my job search, I’ve found that quite a few applications require you to provide a link to your LinkedIn profile. I have one, but I haven’t used it in years and I find that platform as a whole to be pretty ridiculous, so I don’t want to update it or contribute the site in general.
Be warned, some people on Hacker News pointed out that some HR departments will auto-filter out your application. But, in my case, I consider that a good thing.