Rug pull scams "pumping up" a new project, nonfungible token (NFT) or coin to get funding. After the scammers get the money, they disappear with it. The coding for these investments prevents people from selling the bitcoin after purchase, so investors are left with a valueless investment.
Bitcoin has nothing to do NFTs, because they are difference project, which Bitcoin has already established in the ecosystem, accept when investing wrongly on scam project, which requires Bitcoin as a means of payment, to obtain NFT, which what no value that end as Rug pull.