It really isn’t, malware still can easily break out as wine nor proton were never designed for isolation in the first place. Easy example is the Z drive giving program access to the whole Linux filesystem.

second hand Xiaomi + flash Lineage, good hardware for the price, community support

Don’t overuse AI, there is plenty of resources on the web and at least you can practice reading docs. Use Phind. https://www.phind.com/privacy

Yeah but this way you can only communicate with other Tor users. Also the mail server can prolly easily leak your actual IP if you don’t harden it well.