[From many - one.]

I had a few disruptor types the time I taught "biology for non-science majors".

My response was standard:
"this is a course about what scientists conclude from the evidence we analyse. I will be happy to talk to you after class about anything else. My office hours are posted."

High school science teachers need to be trained to do the same.

[FreeAtlanta]

"this is a course about what scientists conclude from the evidence we analyse. I will be happy to talk to you after class about anything else. My office hours are posted."

I think this is known as a cop-out.

cop-out also cop·out (kpout)
n. Slang

1. A failure to fulfill a commitment or responsibility or to face a difficulty squarely.
2. A person who fails to fulfill a commitment or responsibility.
3. An excuse for inaction or evasion.