Understandably because authorities were worried about human lives and livelihoods first. I wrote that article and I was the first writer on the net to do so. I am quite familiar with the species and that county. As soon as i saw where the fire was i called some folks to get acreage info. Everybody else, including the big news networks like Reuters published after catching my news article. Texas Parks and Wildlife didn't talk about it until the day after I published.
Anyhow, it's virtually impossible to save a somewhat fossorial toad by collecting them at such short notice. It's not like Atelopus zeteki where you can see all the frogs walking around and grab them.