(Unpaid vacation should be a lesser problem, depending if a company will get by without your workforce for a time.)
If paid vacation really is not required in the US, how the hell do you get any vacation and recreation time? This is unhealthy and results in a lot of physical, mental and social degression.
Typst is on my list, I wanted to have a look at this year, but unfortunately no time and no need. Except for one letter every one or two years I did not use LaTeX since my diploma thesis.