I’m okay with internet rot and you should be too. I’m not sure where we got the idea that “our data must be preserved forever”. This can be especially harmful for teens and young adults whose indiscretions now follow them forever. Think of the privilege you had when you were younger. You could do something stupid and nobody could whip out a high def camera to record it and make it part of your history forever. Let it…
For example I have recordings of the Colbert report going back to ~2005. Some of his skits released during that time would be classified as "hate speech" in 2019. Of course he, and mainstream broadcasting companies would love it if you didn't think about that. There are plenty of news clips and interviews where mainstream politicians (on Left AND Right) casually dismiss gay marriage. Powerful tech influencers like Mark Zuckerberg would love it if his IMs would disappear from the Internet. The examples go on and on.