We don’t have unlimited research funds and they need to play the game just like everyone else. Taxonomy has a tougher time of illustrating value compared to cancer research (as one example), but they still need to convince people that they should be funded.
Hopefully the field will figure this out before there is a crisis. As a recent example, the field of public health usually struggles to get funding compared to individual medicine. Before the COVID-19 pandemic very few people saw the value in having robust public health policy, agencies, and research, especially when they considered that they could add a new wing to a hospital or buy ambulances with the same money. Public health as a field did a poor job of convincing people that the field had something valuable to offer. Hopefully taxonomy can figure out how to convince the world that they offer something valuable before they go extinct (pun intended).