This was done under previous administrations just the same. Telling a CBP officer that you're come to be "paid to lecture" is usually the kind of honesty that doesn't pay off.
CBPs are triggered by the word "work" and "get paid". For example, when you come to volunteer on a WOOOFing farm, you're advised to say you've come for a learning experience rather than "to volunteer" (= CBP hears this as "to work"):
https://wwoofusa.org/how-it-works/#will-wwoof-help-me-get-a-...
CBPs are triggered by the word "work" and "get paid". For example, when you come to volunteer on a WOOOFing farm, you're advised to say you've come for a learning experience rather than "to volunteer" (= CBP hears this as "to work"): https://wwoofusa.org/how-it-works/#will-wwoof-help-me-get-a-...