Only to the existent that any other ISP already could. Banking info, email, etc would all be protected by encryption in transit (HTTPS or TLS), so an MItM atta

Only to the existent that any other ISP already could. Banking info, email, etc would all be protected by encryption in transit (HTTPS or TLS), so an MItM attack shouldn't affect them. The attacker would only know what hosts you were communicating with, any unencrypted headers (ex. TLS SNI), but not the actual data itself.