In 2020, Imperva saw the highest percentage of bad bot traffic (25.6%) since 2014, while traffic from humans fell by 5.7%. More than 40% of all web traffic requests originated from a bot last year, suggesting the growing scale and widespread impact of bots in daily life. Bad bots create havoc for organizations through price scraping, content scraping, account creation, account takeover, fraud, denial of service and denial of inventory. Bad bot traffic to retail websites globally rose 788% between September and October 2020.
Source: https://www.helpnetsecurity.com/2021/04/19/bad-bot-traffic-high/