What Joe Lubin is saying, to put it simply, is that he feels Ethereum is about to accelerate.
You see, his company SharpLink Gaming has hoarded over $1.3 billion worth of ETH, clearly aiming to be Ethereum's 'major creditor'. This approach is similar to MicroStrategy's strategy of accumulating Bitcoin, but he believes Ethereum has more potential—holding ETH not only allows for appreciation but also enables staking to earn some DeFi yields, which means making money from money, stronger than Bitcoin simply being 'digital gold'.
Moreover, with the implementation of the 'Genius Act', there are clear guidelines for stablecoins and tokenized assets; he believes this is the 'opportune moment' for Ethereum, and money will flood in.
However, to be fair, Bitcoin's market cap is currently much larger than Ethereum's, and its status in the market is established. Can ETH surpass BTC? Theoretically, there's a chance, but whether it can happen within a year depends on whether the funds are on board, after all, the market is full of uncertainties. $ETH