GNU/Linux comes in many 'flavours', commonly known as distributions. The main selling point of a GNU/Linux-based operating system oughtn't be low cost but the freedom which it enables. It respects and empowers the users, not vendors that sell software and other digital merchandise.
Contrary to common misconception, GNU/Linux is a visually attractive platform. Here is an example demo of the system.
Many sites will go offline and many social control networks will shut down once they realise or even openly admit they spend money and time gardening a bunch of bots and slop
it would rightly seem like the era of centralised "social" sites (they're not social, they're about controlling the users) is ending, not overnight but gradually