They can keep lying and misleading people if they want, and they will get money from people who are okay with being lied to and misled. If they want the money and respect of people who place an incredibly high value on truth (like myself), then they need to tell the truth.
I will sooner give $20 to someone begging who tells me that he intends on spending it on booze, than I would a well meaning non-profit who attempts to snow me with rhetoric honed on manipulating millions of other people before me.