Private equity means rising *prices and dropping quality until it's useless at which point it will be sold off piece by piece. Consumers aren't part of the process except as wallets.
RSS is just a (usually) generated XML file that has URLs and descriptions and such. Technically it can have embedded media including audio and video but I haven't personally seen that feature used for anything but thumbnails.
I think what you're seeing in fdroid is feed readers built for one feed the dev wants it for and they don't actually test it anywhere else.
So a virus can rewrite a cat in to a dog or a giraffe? You're talking small changes over a long time. A 400TB drive that you can only change 800KB every century or so would be useless.
I heard oligarch heads roll twice as far.