I think that he is prudent and 10% seems adequate for this current planetary (2020/11/18) environment. Maybe we should follow his example.
>>> “Mexico’s second-richest person Ricardo Salinas Pliego confirms that 10% of his liquid portfolio is invested in bitcoin. ”
news.bitcoin.com/mexican-billionaire-ricardo-pliego-liquid-portfolio-bitcoin-says-crypto-shields-wealth-expropriation/