They still have some specific use cases where they aren't obsolete. For example I've worked at several law firms and every one of them had at least one office typewriter. They are super useful when you're working with older documents and want the additions to look professional and consistent. For example I once worked on a complex stock reissue where I was working with 100 year old stock certificates. Typing on them was muuuuuch faster, easier, and cleaner with a typewriter than trying to line up the old certificates in a laser printer

BlackRock employs a stable of former policymakers, underscoring the importance the company occupies in both financial and policymaking ecosystems, in something akin to a shadow government entity.[157] Good government groups have documented 118 examples of “revolving door” activity by the company—cases in which a government official joined BlackRock’s roster, or vice versa.[158] In one particularly troubling example of how Washington’s revolving door operates, in 2017, a former BlackRock executive was put in charge of reviewing the FSOC’s work for the Treasury Department.[159] Unsurprisingly, the Department’s conclusion was that FSOC should “prioritize its efforts to address risks to financial stability through a process that emphasizes an activities-based or industry-wide approach,” the company’s preferred position.[160] This conclusion all but ensures that BlackRock will not be designated for greater regulation by the FSOC under the Trump administration.