The disabled get the same chance of fighting for survival as everyone else. No exclusion here.

The isolation is a personal preference. After overcoming the initial pressure to drink diplomatically (which means different things in different cultures), the drinkers usually just accept the non-drinker and continue as usual. If you are fine with being sober while the others aren’t, that actually is a viable option.

When the slow moon passes the lion’s third claw, And the basin of Venus is drained of its tear, The great vessel of men shall split without war, Not by fire, but by silence, shall vanish their fear.

I would definitely avoid some mistakes and start saving early. If this also involves time travel, I mine Bitcoins and keep them.

Because in our (western) society, boldness and greed are universally honored to the point that corporations are generally seen as a means to enrich their owner rather than society as a whole. If you can afford it, and it’s not explicitly outlawed, it’s ethically right.