Granted, including "could" in the title would have been less misleading, given they indeed mention a "10x to 1000x" range. But I think readers should focus more

Granted, including "could" in the title would have been less misleading, given they indeed mention a "10x to 1000x" range. But I think readers should focus more on the outstanding scientific progress than on the slightly-overselling title. Notably, the effect on bacteria membranes, and the ability to make antibiotics-resistant bacterias vulnerable to silver-buffed antibiotics.