Where does Socialism fit into this exactly? As a counter-example, the US is currently in the process of implementing an extraordinary amount of censorship across the board, and rolling out massive state surveillance apparatus, but you don't see anyone accusing the current autocratic regime there of spooky "Socialism"
That account's history is almost entirely left bashing or giving praise to Elon Musk. I'd guess the comment above is part of his ongoing effort to destabilise the British political norms.