I don’t find this surprising at all. So many windows updates broke dual booting over years. They really don’t care and have no need to.

You didn’t get any instructions before hand? Is this in higher education or earlier?

You having regrets depends on your expectations. If you want a very stable system with little maintenance then you’ll be happy. Packages will be older but that’s what makes it easy to keep stable.

I’m not personally a fan of vanilla Debian because the stable versions are a bit too outdated for the things I like to work with. I do use Debian derivatives though the LTS versions.

Because the seals on the mask itself weren’t rated and they didn’t go through FDA authorization. You HAVE to go through FDA clearance if you want to claim your product meets medical standards.

I highly doubt someone who’s struggling with a phone is going to do well with a screen projected on your hand that has very sensitive hand interaction requirements.