Crypto expert dismisses calls of Ripple's XRP price flying to $1,000.Uphold's $1,000 XRP price forecast labeled as unreasonable and compared to penny stock hype techniques.For XRP to reach $1,000, its market cap would need to be an unattainable $100 trillion.XRP fans criticize the expert's rationale and suggest that an effective burn mechanism could lead to the $1,000 price.