Unless you're already an expert in the topic a literature search is literally step 1 since you have to check if your idea has already been done before.
It's not that hard. You can literally use any old computer. I was home labbing long before I became a SWE. Something like Ansible can make deterministic bare metal config that could be accessible to more people.
Consumerism is the problem. If fossil fuels were used on necessities sure. Single use plastics, individually packaged consumables, planned obsolescence are examples of things that are not necessary. These examples have all to do with shareholder value.
Yeah that's what LinkedIn in is for. If they just want people or bots to just fawn over everything they put out. I'm glad M$ is getting called out for the slip they put out.
These things are not being separated though. Your agents are executing citizens in the street. This is not about illegal immigration at all. It's just straight up oppression.
For laptops sure, but then those are not reasons for it to be default on desktops too. Are most Windows users on laptops? I highly doubt that. So it is not a sensible default.