Furthermore a modular route, can be furtherly spreaded, allowing also people to keep their current jobs.
I'm my opinion if you have to sell you house to become a pilot, of course, think it twice.
If having a loan is not such a huge problem, I wouldn't be so concerned, considering a time lapse of 2/3 years.
Airlines which were booming before the pandemic, will expand even more with emptier skies (look Wizz).