Anecdotal, but this happens to me a lot, and not just with the "site:" operator. Generally using any of the advanced operators seems to set it off. Things lik

Anecdotal, but this happens to me a lot, and not just with the "site:" operator. Generally using any of the advanced operators seems to set it off. Things like inurl:, intitle:, etc, trigger it also. Not every time, but after a few times. From a normal ISP connection, no VPN, even while logged into Google, etc.