I fail to see why you consider a question regarding grant funding for research crass. It is a relevent question, and quite innocent. Your reaction makes one think that perhaps there is something you would rather not reveal due to possible conflict of interest.
When one is doing research, one is required to operationally define all concepts being investigated. Therefore, use of the word interpreter, when one is really referrring to a translierator, is unnaceptable.
Her passion regarding CS should not enter into her her research. A researcher is, above all, supposed to approach their investigation without bias. If one is investigating communication in deaf individuals, then one must include all methods to remove that bias, whether they are passionate about a given approach or not. To omit ASL from the research is to attempt to skew results in favor of one's own philosophy.