It doesn’t really matter what kind of block it is. Vivaldi comes with TLS (Transport Layer Security overlay), but it is not necessarily turned on if its an old install. If a fresh profile has it turned on, then all traffic leaving the browser are encrypted and cannot be tampered with. you can check if it is turned on–
go to Vivaldi://flags
The series where he cooks in his own home was very relaxed. I only managed to watch American Hell’s Kitchen for a single episode - it feels like torture.