The issue as ever is one of confidence. That will only start to improve once you are eventually vaccinated, or having experienced / suffered from C-19 you acquire the antibody immunity. And then the question arises how long protection will last.
I would not be entirely surprised that “evidence” in some shape or form will be required before you travel?
Although the air con cabin filters are extremely effective (99+%), anyone within say 2-3m of your seat is a potential threat. Would you want to take that risk whilst unprotected?
ATOs will clearly have a reduction in new customers until a much clearer picture emerges.
Historically supply has always lagged behind demand.