The article says "Filed takedown notices with Google, Cloudflare, and the domain registrar spaceship.com"
Since the clone site isn't doing anything obviously malicious like spreading malware or blatantly illegal content none of those parties will take any action whatsoever, nor should they.
Yeah but you do need to hang the takedown on some technical reason like copyright or scamming. The issue here is there's no obvious victim. Makes a takedown harder.