I don’t understand how the American people are just letting this happen in plain sight.

Yes actually! tesseract does allow for you to change the default lemmy front end to it.

From their github readme

Running Tesseract In Place Of Lemmy-UI If you want to run Tesseract in place of Lemmy-UI, just replace the proxy pass that goes to your current Lemmy-UI with the IP/port >of Tesseract. Be sure to keep the conditionals that separate the ActivityPub ld+json out to the API’s container.