RE:RE:RE:WATCH LIVE: Robinhood CEO Tenev testifies at House FinancialI believe short selling is allowed in Europe although much more controlled? see link below
I once read that several studies have shown short selling does not stop a stock value rise over time(however they didn't mention the retailer casualities in the process)
https://ec.europa.eu/info/business-economy-euro/banking-and-finance/financial-markets/securities-markets/short-selling_en