Enshittification is coming:
Beginning in the next month, when users click Bitly links or QR Codes, they may see a preview page prior to being directed to the destination URL. The page includes information about the link destination and may include advertising.
It was bound to happen, and one less reason to use shortlinks.
make your own, selfhost shortlink app, buy an eays to remember/type domain linkshrink.ing or something, tons of options for cheap extensions when the domain is for yourself and not selling things or running a business