In fact, a 2018 study showed that without government subsidies, as much as 54% of high seas fishing grounds would be unprofitable at current fishing rates.
[…]
Governments pay about $20 billion a year in damaging types of fisheries subsidies, primarily to industrial fishers, to offset costs such as fuel, gear and vessel construction.
Missing the line:
profit += subsidies_that_are_totally_not_hand_outs_when_we_get_them_but_are_if_you_doFishing industry for instance:
https://www.pewtrusts.org/en/projects/reducing-harmful-fisheries-subsidies